Watch List notes:

MACAO: AR ingot (93.23g), square 3 troy ounce silver bar stamped at center yong 'an qin, hénglì jian yàn at lower left, small stamps at right bai fú , dà zhen and PLAT., small stamps zhi and tian xiáng at left, with various other geometric stamps around, VF, ex Charles Opitz Collection. Privately made silver ingot circa 1935-50.

Estimate: 100-150 USD