Watch List notes:

COINS, 錢幣, VIETNAM, 越南, Tu Duc 嗣德 (1848-83): Copper Model Coin 祖錢, Obv "嗣德通寶", Rev plain 素背, large flan 大樣 27.5mm, wide rim 濶緣, small central square hole 狹穿, characters sharp and deep 字體深峻, 7.03g (not listed in Sch). About extremely fine, rare.

Estimate: US$300-400