銅子兒 [铜－儿]

Jyutping tung4 zi2 ji4
Pinyin tóng zǐ er

Definitions (Wiktionary)
  1. noun, Jin
    copper coin; copper
    (syn.) 銅鐳, 銅元, 铜镭, 銅柯, 銅板, 铜板, 铜元, 铜柯