Just obtain a rather unusual coin - a time when Yuan Shi Kai wanted to be the Emperor but as he didn't gather enough support, this era only lasted for a mere 83 days. Pretty neat. More can be read here: http://ykleungn.tripod.com/h-shuan.htm http://www.wikicoins.com/First_Year_of_Hung_Shuan_Ten_Cash_Coin My example seem to be struck on a flawed planchet and the holes were filled with epoxy. Still not a coin that I can replace the next day.