They look Japanese. It wouldn't surprise me. In Japan, you can get "lucky" gold poo charms. It's a little gold pile of poo. The Japanese certainly have a quirky sense of humor when it comes to bodily functions.
According to Strapya World, the gold poo charm is a symbol of good luck and monetary fortune:
http://www.strapya-world.com/categories/12_66_545.html
According to Strapya World, the gold poo charm is a symbol of good luck and monetary fortune:
http://www.strapya-world.com/categories/12_66_545.html