bullion coins were of the traditional specification of 27grams in weight, 0.900 fineness. Collecting Collecting silver dragon coins especially Chinese ones can be a financially hazardous prospect, with even experienced experts falling foul of fakes. There are modern fakes of genuine coins, historical fakes of genuine coins, and today given that some of the historical fakes have gained a numismatic value of their own, modern fakes of historical fakes. References Bibliography External links History of the Silver Yen Japanese The Meiji Period Yen Japanese Varieties and History of the late Qing dynasty Chinese Silver Coins English Silver coins Coins of China Coins of Japan Coins of Korea