正大光明方穿花钱,背孝弟忠信,清朝(公元1644–1911),39.9*2.6mm,重21.5g。少见。 China: Qing Dynasty (1644–1911 CE), coin-shaped charm with square central hole, obverse inscribed with Zheng da guang ming (正大光明), reverse inscribed Xiao di zhong xin (孝弟忠信), 39.9*2.6mm, 21.5g. Rare.