Watch List notes:

MACAO: AR ingot (156.15g), square 5 troy ounce silver bar stamped at center jin quán yín pù (Golden Spring Silver Shop) / Àomén / MACAU and stamped hénglì jian yàn four times around edge, with various other geometric stamps around, VF, ex Charles Opitz Collection. Privately made silver ingot circa 1935-50.

Estimate: 100-150 USD