China: People's Republic gold Proof "Seismography" 2000 Yuan (1 Kilo) 1992 PR68 Ultra Cameo NGC,...

Description

Stunning Proof "Seismography" Kilo In Pure Gold

People's Republic gold Proof "Seismography" 2000 Yuan (1 Kilo) 1992 PR68 Ultra Cameo NGC, Shenyang mint, KM425, Cheng-pg. 118, 2, CC-409. Scientific Inventions and Discoveries of Ancient China Series. Serial #008. Produced to a minuscule mintage of just 10 pieces according to the certificate, although Chan suggests an actual mintage of 16. Issued in recognition of the innovative seismoscope, one of the earliest known instruments for detecting earthquakes. An incredibly satisfying selection broadcasting glorious resplendence and mirroring depth to the virtually pristine fields. The China Pricepedia has recorded no prior sales, and the present cataloger was able to locate only one example offered in a public auction in 2003, underscoring the momentous opportunity at hand. Accompanied by the original case of issue and highly auspicious COA #008.

Seismography, the science of measuring and recording the details of earthquakes, has a fascinating history marked by significant advancements and inventions. The earliest attempts to systematically record seismic events date back to ancient times. One of the earliest known seismoscopes was invented by Zhang Heng in AD 132. He was a Chinese philosopher, astronomer, mathematician, engineer, and inventor who served as an official in the imperial court of the Han dynasty. His device, known as the "earthquake weathervane," was remarkably sophisticated for its time. It consisted of a large bronze vessel with eight dragon heads around its top, each holding a ball in its mouth. Below each dragon head was a toad with its mouth open to catch the ball. An earthquake would shake the device, causing a ball to drop into a frog's mouth, indicating the direction of the quake. The seismoscope was reported to have successfully detected an earthquake in AD 134 that occurred approximately 400 miles away in what is now the modern province of Gansu. Despite the success, the original designs and more detailed descriptions of the seismoscope's inner workings were lost over time, and no replicas from that period have survived. Zhang Heng's invention remains a significant milestone in the history of geology and seismology, representing one of the earliest endeavors to create a scientific instrument for detecting earthquakes.

Metal: Gold
Diameter: 80mm
AGW: 32oz

NOTE: This lot was manufactured in China and was sourced from outside the United States for this auction after September 1, 2019. Under the new US tariffs on Chinese goods, collector's items from China will be subject to an import tariff. Any clients who wish to take delivery of this item in the United States should be aware of this added charge, and consult their tax adviser with any questions. If you choose to take delivery in the United States and purchase both tariffed and non-tariffed lots from this auction, please note that the automatic invoice you receive after the auction will be incorrect; you will be emailed revised invoices shortly afterwards. The lots that fall under the tariff will be invoiced separately and will ship directly from our Hong Kong Office and carry a separate, additional shipping charge.

More information about Chinese Coins. See also: China World Coin Nationality.

令人贊嘆的珍品「地動儀」精製公斤金幣

1992年「地動儀」2000元精製金幣（1公斤）。PR68 Ultra Cameo NGC。
瀋陽造幣廠。「中國古代科技發明發現」系列。序號#008。雖然陳氏認為此幣發行共十六枚，但按證書所述則僅有十枚。此幣是為紀念最早的探測地震儀器﹕地動儀的創新發明。這枚令人贊歎不已的珍品散發著瑰麗堂皇的光芒，底板賞心悅目，呈現出深邃無垠的鏡面效果。China Pricepedia並無此幣之銷售記錄，而目前為止圖錄編者亦只知曾有一例於2003年公開拍賣中亮相，故是次入手機會的實在千載難逢。附原盒及寓意吉祥的保真證書#008。

地動儀的目的是測量並記錄地震的細節，其歷史引人入勝，其發行標誌著人類一大成就。有系統地記錄地震活動的歷史可追溯至古代。已知最早的地動儀由張衡於公元132年發行。他身兼哲學家、天文學家、數學家、工程師及發明家，並於漢朝宮廷中任職。他的發行被稱為「地動儀」，以當時的科技水平而言可謂極為精密先進。該儀器包含一個巨大的銅器，其上方八個方位設有龍頭並口含銅珠。下方則有仰頭張口的青銅蟾蜍對準龍頭以接住銅珠。當地震發生時將會震動地動儀，使龍頭中的銅珠落下至蟾蜍口中，以判別地震的方位。據聞在公元134年，地動儀成功報告近四百里外，即今甘肅省的一場地震。儘管地動儀大獲成功，但其原初的設計和內部結構早已失傳多時，並無複製品流存至今。張衡的發明是為地質學和地震學發展的一大里程碑，象徵著人類對製造科學儀器探測地震的最早嘗試。

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