花穿钱的时代与成因问题张宏明在中国古代货币史上，方孔圆钱不仅广泛为社会所接受，并进而成为社会稳定的象征。方孔钱的外形始终保持着圆形的定式，穿孔部分则有一些小的变化。有一种被人们称之为＂花穿＂或＂龟甲穿＂的穿孔，其钱穿形状六角或八角，极其新颖别致（见附... The Times and Cause of Formation of Money Costs Zhang Hongming In the history of ancient Chinese currency, Fang Kongyuanyuan was not only widely accepted by the society but also became a symbol of social stability. Square hole money shape has always maintained a circular shape, the perforated part has some small changes. There is a perforation that people call “flowers wear” or “tortoiseshell wear”, the money to wear shape hexagonal or octagonal, extremely novel and unique (see attached ...