Watch List notes:

MACAO: AR ingot (62.13g), square 2 troy ounce silver bar stamped at center yong 'an qin, hénglì jian yàn at lower left, small stamps at right tian xiáng, bai fú , and dà zhen, PLAT. at bottom, small stamp zhi at left, with various other geometric stamps around, VF, ex Charles Opitz Collection. Privately made silver ingot circa 1935-50.

Estimate: 75-100 USD