China: Qing Dynasty (1644-1911 CE), coin-like charm with square centre hole, obverse inscribed with four characters in running script reading Feng hua xue yue and four characters in seal script reading Ming huang yu ying, reverse with pictorial representations of four copulating couples as well as four characters in seal script reading Si zai ping an, 57.6x3.7mm, 49.9g. extremely fine, rare.
Estimate: 500 - 1000