Kai Yuan coin with extra dot | Golden Rule Enterprises Coins
Kaiyuan Tongbao - Wikipedia
File:Kai Yuan Tong Bao (Southern Tang Dynasty) - Scott Semans.jpg - Wikimedia Commons
Tang Dynasty Chinese Gold Coin Kai Yuan Tong Bao | 888 Auctions
This Tang Dynasty (618 - 907 AD) gold coin is engraved with the characters "Kai Yuan Tong Bao". Kaiyuan 开元 (Kāiyuán) is the reign … | Coins, Gold coins, Old coins