Description
D:4.6cmWeight:32gThis coin features the characters "Kai Guo Tong Bao" in Jiudie seal script on the obverse, read top-bottom-right-left. The reverse bears the regular script inscription "Kai Guo Shi Zhu" (Trial Casting for the Founding of the State). Minted during the early years of the Jin Dynasty, it is an extremely rare trial coin and an important physical artifact for studying the monetary system at the founding of the Jin Dynasty.
Condition
ALL PROPERTY IS SOLD AS IS, WHERE IS, WITH NO RETURNS, REFUNDS, OR CANCELLATIONS.
Condition and Authenticity:
Any statement in the catalogue, condition report, photographs, video, invoice, or other written or oral communication regarding the origin, date, age, attribution, authorship, authenticity, provenance, material, condition, or estimated selling price of any lot is a statement of opinion only. Such statements do not constitute a representation, warranty, guarantee, or assumption of liability by YaShawn Auction House in relation to the lot.
All bidders are strongly encouraged to examine the lot, review all available photographs and information, request additional images or condition reports, and conduct their own independent research before bidding. The absence of any reference to damage, restoration, repair, wear, or defects does not imply that the lot is free from such conditions.
Condition and Authenticity:
Any statement in the catalogue, condition report, photographs, video, invoice, or other written or oral communication regarding the origin, date, age, attribution, authorship, authenticity, provenance, material, condition, or estimated selling price of any lot is a statement of opinion only. Such statements do not constitute a representation, warranty, guarantee, or assumption of liability by YaShawn Auction House in relation to the lot.
All bidders are strongly encouraged to examine the lot, review all available photographs and information, request additional images or condition reports, and conduct their own independent research before bidding. The absence of any reference to damage, restoration, repair, wear, or defects does not imply that the lot is free from such conditions.
Buyer's Premium
30%
JIN DAITAI'S FOUNDING TONGBAO WAS A TRIAL CAST OF LARGE COINS
Estimate $800-$1,000
Starting Price
$200
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Art & Antiques: Timed Auction III
Oct 3, 2026, 2:00 PM EDTSomerville, MA, United States
$200
$200
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By Sheila Gibson StoodleyAugust 23, 2026
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