LOT #5943 |
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1863 10C Ten Cents, Judd-328B, Pollock-397, Cassel-8, High R.6, PR66 PCGS....
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Sold on Aug 14, 2015 for:
$6,462.50
Bid Source: Live: Floor bidder
Description
1863 Aluminum Postage Currency Pattern
Judd-328B, PR66
8-Grain Planchet / Plain Edge
1863 10C Ten Cents, Judd-328B, Pollock-397, Cassel-8, High R.6,
PR66 PCGS. 8.2 grains. The standard Postage Currency obverse
and reverse designs are present on each side. Struck in aluminum
with a plain edge. The SEM-EDX testing by S&N Labs on
certificate number 80487.66/4624173 revealed the composition to be:
94.5% aluminum, 4.2% silicon, and 1.3% iron. The aluminum strikings
of the Postage Currency patterns are found in two weight classes:
8.2 grains and 11 grains. The 328B designation is explained by
PCGS' attribution of Judd-327 pieces as pure aluminum on an
11-grain planchet. Judd-328 is an alloyed aluminum eight-grain
planchet with a reeded edge; therefore, Judd-328B was the PCGS
choice for an alloyed 8-grain striking with a plain edge. The
surfaces are remarkably preserved. There are a couple of minor
planchet laminations, a common occurrence on early aluminum
patterns. Otherwise, the surfaces are bright and essentially "as
struck." The iron /silicon addition to the aluminum alloy appears
to have been remarkably effective. We would be interested to find
out if other later-dated aluminum patterns also used this as part
of the aluminum alloy, or was the discovery of the combination of
the strengthening property of iron and the preservation of surfaces
of silicon lost on Mint personnel at the height of the Civil
War?Ex: Lester Merkin private treaty sale to Milton R. Friedberg in 1967; Long Beach & Cherry Hill Collection (NERCA, 6/1981), lot 963; Larry Shepherd Collection (Superior, 8/1991), lot 913; Superior (5-6/1993), lot 1250; David Cassel.
From The David Cassel Collection.
Coin Index Numbers: (PCGS# 80487, Greysheet# 12535)
View all of [The David Cassel Collection ]
Auction Info
2015 August 12 - 16 ANA US Coins Signature Auction - Chicago #1223 (go to Auction Home page)
Auction Dates
August, 2015
12th-16th
Wednesday-Sunday
Bids + Registered Phone Bidders: 11
Lot Tracking Activity: N/A
Page Views: 656
Buyer's Premium per Lot:
17.5% of the successful bid per lot.
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