Coin Consignment Directors
Leo Frese Leo Frese
VP - Heritage Auctions
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1-800-872-6467 x1294

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Leo has been involved in numismatics for nearly 40 years, a professional numismatist since 1971, and has been with Heritage for more than 20 years. He literally worked his way up the Heritage "ladder," working with Bob Merrill for nearly 15 years, then becoming Director of Consignments. Leo has been actively involved in assisting clients sell nearly $500,000,000 in numismatic material. Leo was recently accepted as a member of PNG, is a life member of the ANA, and holds membership in FUN, CSNS, and other numismatic organizations.

Doug Baliko Doug Baliko
Vice President of U.S. Gold and Numismatics
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1-800-872-6467 x1335

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Doug has been involved in the rare coin industry since 1979. He joined the Heritage staff in January 1997. In June of 2000 he was elevated to Director of Heritage's very active U.S. gold division. He is responsible for all gold coin trading, which currently totals over one hundred million dollars of sales per year! In 2004 he was also given the responsibility of managing Heritage's equally active Wholesale coin department.

Doug is married with two children, a son and daughter. When not trading gold coins he enjoys riding and tinkering with motorcycles. He is also an avid ice hockey fan, and is active in his son's ice hockey teams.


David Mayfield David Mayfield
Vice President - Numismatic Auctions
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1-800-872-6467 x1277

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David Mayfield has been collecting and trading rare coins and currency for over 35 years. A chance encounter with his father's coin collection at the age of nine led to his lifetime interest. David has been buying and selling at coin shows since the age of 10. He became a full time coin and currency dealer in the mid-1980s. David's main collecting interest is in all things Texas, specializing in currency and documents from the Republic of Texas.

Jim Stoutjesdyk Jim Stoutjesdyk
Vice President of Numismatics
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1-800-872-6467 x1310

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Jim Stoutjesdyk was named Vice President of Heritage Rare Coin Galleries in 2004. A native of Michigan, Jim has been actively involved in numismatics since a young age and the American Numismatic Association named him their Outstanding Young Numismatist of the Year in 1987. After graduating from the University of Michigan he was employed by Superior Galleries in Beverly Hills, California where he eventually became their Director of Collector Sales.

Since coming to Heritage in 1993, Jim has assumed a wide variety of responsibilities. He initially was hired as the Gallery Manager for Heritage's retail showroom. For several years he helped to develop Heritage's retail clientele and placed millions of dollars worth of rare coins with collectors. Jim's talent for writing and passion for numismatics led him to become the editor of Heritage's Insider magazine. From 1998 to early 2000 this bi-monthly publication brought collectors the latest offerings from Heritage's inventory and featured a wide variety of informative articles. With the rapid development of Heritage's web site and instant access to our inventory, the Insider magazine was phased out. Jim's interest turned to wholesale trading and he quickly became a familiar face at coin shows across the nation. As Vice President, Jim's duties include buying and selling millions of dollars worth of rare coins each year, pricing all of the new coins available for sale each day, and overseeing the daily operations of the rare coin department.

Jim met his wife Amy at Heritage where she serves as the Wholesale Administration Manager. They married in 1998 and have a son Blake and a daughter Emily. While away from Heritage, Jim enjoys spending time with his family and traveling to new places.

Warren Tucker Warren Tucker
Director of Heritage World Coin Auctions
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1-800-872-6467 x1287

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Warren Tucker has been a full-time coin dealer since 1964. In 1968, he joined Jack Boozer and Doug Weaver in business in Waco, Texas, where he first met Steve Ivy. Warren later moved back to Georgia, where he became a partner with John Hamrick at WorldWide Coin Investments of Atlanta. During the 1970s, Warren began more extensive travel throughout Europe and Asia to buy coins. In 1979, he first joined forces with Steve Ivy, opening an office in Atlanta. Associations with Richard Nelson and Ronald J. Gillio followed thereafter.

Sam Foose Sam Foose
Consignment Director & Auctioneer
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1-800-872-6467 x1227

Languages Spoken: English, Spanish
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Sam Foose joined Heritage Numismatic Auctions, Inc., in 1993 as an Auction Coordinator. He rose to Assistant Auction Director in 1998, and began calling auctions. After a stint serving as a Senior Manager and Consignment Director in other collectible fields, he returned to Heritage in 2002 as a Consignment Director to help Heritage's expansion into other collectibles fields. Besides calling auctions as one of Heritage's primary auctioneers, he travels the nation assisting clients who wish to liquidate their collections of coins, paper money, decorative arts, and sports collectibles.

Jessica Aylmer Jessica Aylmer
Consignment Director
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1-800-872-6467 x1706

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Cristiano Bierrenbach Cristiano Bierrenbach
Director of International Sales
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1-800-872-6467 x1661

Languages Spoken: Portuguese, Spanish
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Cristiano Bierrenbach received a degree in management from Bucknell University in Pennsylvania in 1996. In 1999, Cristiano founded Bier Numismatica and within a few years had become one of the largest numismatic dealers in Latin America. At the age of 30, he became the youngest ever Technical Director of the Brazilian Numismatic Society, and is the founder of the Latin American Numismatic Convention. He is a life member of the ANA and FUN and several other numismatic clubs and organizations around the world.

Mark Borckardt Mark Borckardt
Senior Cataloger/Sr. Numismatist
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1-800-872-6467 x1345

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Mark started attending coin shows and conventions as a dealer in 1970, and has been a full-time professional numismatist since 1980. He received the Early American Coppers Literary Award, and the Numismatic Literary Guild's Book of the Year Award, for the Encyclopedia of Early United States Cents, 1793-1814, published in 2000. He serves as a contributor to A Guide Book of United States Coins, and has contributed to many references, including the Harry W. Bass, Jr. Sylloge, and the Encyclopedia of Silver Dollars and Trade Dollars of the United States. Most recently, he was Senior Numismatist with Bowers and Merena Galleries. Mark is a life member of the A. N. A., and an active member of numerous organizations.

Win Callender Win Callender
Senior Consignment Director
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1-800-872-6467 x1415

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Win Callender has joined Heritage Auction Galleries as a professional numismatist and consignment director. A lifelong numismatist - he found a 1770 Russian 5 Kopek when he was just 5 years old - Callender parlayed his hobby into a fulltime business when he was in his mid-30s, starting his own business in Broken Arrow, Okla., in 1993. He subsequently worked for Carter Numismatics and David Lawrence Rare Coins, working his way up to Vice President in both firms.

Scott Cordry Scott Cordry
HWCA Assistant Director
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1-800-872-6467 x1369

Languages Spoken: English, Swedish
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Scott Cordry graduated from UC Berkeley with "great distinction" and Phi Beta Kappa honors. After college, he worked for Worldwide Coins in Atlanta for a few months before going into business for himself, and then in partnership with Freeman Craig. In 1975, Scott again decided to pursue world coins independently, and he has been in the foreign coin business ever since. Scott is a member of the ANA, NI, AINA, ONS and IBNS, and has been a member of the IAPN as well, from 1979-1993. Scott has been cataloging world coins for Heritage World Coin Auctions since October of 2002.

Bert DeLaGarza Bert DeLaGarza
Consignment Director
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1-800-872-6467 x1795

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Chris Dykstra Chris Dykstra
Consignment Director
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1-800-872-6467 x1380

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Chris is a lifelong collector who joined the Heritage team in October of 2006. He has held a number of positionss at Heritage including a stint working in Wholesale Sales, where he assisted Heritage's dealer clients in locating the coins they needed to fill their inventories, as well as travelling to shows to work at the Heritage table. Then in August 2008 Chris transferred into the US Coin Consignments department as a Consignment Director where he now assists our valued consignors in bringing their collections to auction. Chris is married and has 2 young children (ages two and four). He is an avid sports fan. In his free time he is a registered TASO (the Texas Association of Sports Officials) baseball umpire. In his capacity as an official he umpires High School Baseball. In 2006 he was honored to be chosen to umpire the Illinois Community College All-Star Game and was selected as the "High School Umpire of the Year" by his Umpires' Association. He currently serves on the Board of Directors of his local TASO baseball Chapter.

Marc Emory Marc Emory
Director of European Operations
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Marc Emory was born in northern Virginia, where he grew up as the son of a Washington correspondent of a newspaper in Upstate New York. A child of the Washington political scene, he was visiting the White House at age 13, and Capitol Hill many times before that. Like so many children of Washington, he attended the Sidwell Friends School. He than was accepted for the Schoolyear Abroad program in Spain, then sponsored by the two Phillips Academies (Exeter, NH and Andover, MA). After the year in Barcelona, he went on to graduate from Andover (1970), and four years later graduated cum laude from the University of Pennsylvania (1974), with a degree in Spanish. He always had an interest in languages, and while at Penn got his introduction to German and Swedish, in addition to continuing his studies in Spanish and Russian from high school. In addition to those four languages plus Catalan, a byproduct of his year in Barcelona, he has since learned French, Italian and Dutch.

Always interested in collectibles, he was impressed from early childhood by the Smithsonian collections of both coins and minerals, which were within walking distance of his father's office at the National Press Building at 14th and F streets in Washington, D.C. He maintains an extensive collection of minerals at his German home, near the Rheinland city of Dusseldorf, which he shares with his wife of 25 years. His wife, Elisabeth, is a German native, and they speak German at home. Their two bilingual daughters currently attend universities in the United States, after secondary school education in Germany. Marc also has a collection of U.S. coins and an assortment of guitars hand-crafted by legendary luthier Bozo Podunavac. A musician by hobby, he has made recordings and done solo concert tours in his spare time, a commodity which he finds in all too short supply of late.

After graduating from the University of Pennsylvania, Marc joined one of the two firms that later merged in late 1982 to form Heritage. He is has been with the company without interruption since joining in August, 1975, and is now in his 33rd year with Heritage. He founded and oversees the operations of the Heritage Overseas offices, which are now in France (since 1979), Germany (since 1979), Switzerland (since 1984), and the Netherlands (since 1990). The Heritage offices in France, Switzerland and the Netherlands are all run by natives of those countries, coordinating in their own languages through Marc at the German office with the Heritage world headquarters in Dallas. The European offices, under Marc's supervision, in turn offer Heritage services to collectors, consignors and estate executors in their own countries and in their own languages, as well as to banks and Central Banks around Europe and the world.


Jason Friedman Jason Friedman
Consignment Director
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1-800-872-6467 x1582

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Jason's interest in rare coins, which began at 12 and expanded into his own numismatic business, allowed him to pay for most of his college tuition at the University of North Texas, from which he graduated in 2005. He joined Heritage soon after. He is a member of the American Numismatic Association (ANA) and Florida United Numismatists (FUN).

Shaunda Fry Shaunda Fry
Consignment Director
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1-800-872-6467 x1159

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Shaunda Fry ran her own textile company for 22 years before meeting Leo Frese while co-coordinating a local school auction. She followed his suggestion to add auctioneering to her list of talents. After training, she worked part-time at Heritage's auctions and began to call, and auction excitement inspired a career change. She is now a Consignment Director, and travels to shows on the "Wholesale Dealers Team." Outside of work you might see Shaunda bungee jumping, singing karaoke, baking, reading, or jumping out of airplanes; if you see her inside the plane, chances are that she will be calling an auction or gathering consignments.

Todd Imhof Todd Imhof
Executive Vice President - Heritage Auction Galleries
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1-800-872-6467 x1313

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Unlike most of his contemporaries, Todd Imhof did not start collecting in his teens. Shortly after graduating college, Todd declined offers from prestigious Wall Street banks to join a former classmate at a small rare coin firm in the Seattle area. In the mid-1980s, the rare coin industry was rapidly changing, with the advent of third-party grading and growing computer technologies. As a newcomer, Todd more easily embraced these new dynamics and quickly emerged as a highly respected dealer. In 1991, he co-founded Pinnacle Rarities, a firm specialized in servicing the savviest and most preeminent collectors in numismatics. At only 25, he was accepted into the PNG, and currently serves on its Consumer Protection Committee and its Legislation/Taxation Issues Committee. In 1992, he was invited to join the Board of Directors for the Industry Council for Tangible Assets, later serving as its Chairman (2002-2005). Since joining Heritage in 2006, Todd continues to advise most of Heritage's largest and most prominent clients.

Jim Jelinski Jim Jelinski
Consignment Director & Senior Numismatist
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1-800-872-6467 x1257

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Jim Jelinski has been involved in numismatics for more than five decades as a collector, dealer and educator. He started as Buyer for Paramount International Coin Corporation in 1972, opened Essex Numismatic Properties in 1975 in New Hampshire and has held numerous executive positions at M.B. Simmons & Associates of Narberth, Pennsylvania He works at Heritage as a Senior Numismatist and Consignment Director.

Dustin Johnston Dustin Johnston
Consignment Director
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1-800-872-6467 x1302

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Dustin Johnston joined the Heritage team in 1998 and has been active in nearly every aspect of the business. He graduated from the University of Arizona. Prior to joining Heritage, he won a number of literary and exhibiting awards from the ANA. Dustin also served as an Exhibit Judge and Numismatic Theater Speaker for the ANA. He is responsible for consignment acquisitions, purchasing, cataloging, catalog production as well as managing the currency inventory. He is a member of the ANA, CSNS, and PCDA.

Katherine Kurachek Katherine Kurachek
Consignment Director
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1-800-872-6467 x1389

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Katherine Kurachek graduated from the University of Mississippi in 1993 as an art major. She came to Heritage in January 2003, working alongside Leo Frese for several years, learning the numismatic wholesale trade. Katherine frequently travels to coin shows to represent Heritage and service her dealer accounts along with her wide ranging duties as Consignment Director.

Christopher Lane Christopher Lane
Senior Numismatist
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1-800-872-6467 x1243

Languages Spoken: English, Spanish
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Christopher Lane started his numismatic career in 1956 with his still all-time favorite, and specialty: the Lincoln cent. Chris joined the Heritage staff in 1993 after a decorated stint with the U.S. Air Force as an instructor, air traffic control facility manager, and linguist. He divides his time among a multitude of duties including vault manager, wholesale and retail sales, managing the Gold bullion department, buying collections over the phone, Internet, and appraising estates in our showroom. Chris is a life member of the following national organizations: American Numismatic Association, CONECA, and the Society of Lincoln Cent Collectors. Chris is married with 2 children.

Bob Marino Bob Marino
Consignment Director & Senior Numismatist
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1-800-872-6467 x1374

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Bob Marino joined Heritage in 1999, managing and developing Internet coin sales, and building Heritage's client base through eBay and other Internet auction Web sites. He has successfully concluded more than 40,000 transactions on eBay. He is now a Consignment Director, assisting consignors in placing their coins and collectibles in the best of the many Heritage venues.

Mike Sadler Mike Sadler
Consignment Director
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1-800-872-6467 x1332

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Mike Sadler joined the Heritage team in September 2003. He attended the United States Air Force Academy, flew jets for the military and is a longtime pilot with American Airlines. Before coming to Heritage, his unlimited access to air travel enabled Mike to attend coin shows around the nation, and to build a world class collection that was auctioned by Heritage in 2004. He is known for his tremendous knowledge of rare coins, making him a trusted colleague to many of today's most active collectors.

Lee Sanders Lee Sanders
Senior Numismatist
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1-800-872-6467 x1233

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Lee has been with Heritage since 1989 and is a senior numismatist dealing with gold coins. He is originally from Seattle, where he was a partner with Gene L. Henry of Rare Coin Galleries of Seattle for 18 years. He has a BA in banking and finance, and has been dealing in coins for since 1965.

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