Yuan Datou"O-mintmark"and"Triangular Yuan "authentication in practice: 3 key features to avoid | Gu Jin Jian Bao
In the world of antique coin collecting and Buyback, the"Yuan Datou"(Yuan Shikai portrait silver dollar series) is undoubtedly th...
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Besides Guangdong and Hubei, which other provinces produced Guangxu Yuanbao coins that could be worth | Gu Jin Jian Bao
Guangdong and Hubei are just entry-level provinces for Longyang coins. The real top-tier coins come from a few obscure provinces ...
Is the autographed version of the"Yuan Datou"(Yuan Shikai Dollar) 100 times more valuable than the | Gu Jin Jian Bao
The signature of an Italian engraver increased the value of the same Republic of China Year 3 Yuan Shikai dollar by a hundredfold...
Aside from Yuan Datou, which silver dollars are the most valuable? An analysis of the 2026 Hong Kong | Gu Jin Jian Bao
In the field of coin collection and Buyback,"Dragon Silver Dollars"(silver coins with dragon motifs minted from the late Qing Dyn...
An Analysis of Late Qing Dynasty Machine-Struck Coin Collecting: What is the Price Difference for Guangxu | Gu Jin Jian Bao
Hello everyone, I am the owner of"Gu Jin Jian Bao,"a professional antique silver dollar and coin dealer who has been operating in...
Don't wash tarnished silver coins: Why is"patina"key to high-value Buyback? | Gu Jin Jian Bao
As professional antique coin dealers—Gu Jin Jian Bao—we must solemnly urge you:What should you do if your family heirloom silver ...