Watch List notes:

COINS, 錢幣, GREAT BRITAIN, 英國, Trade Coinage: Silver British Trade Dollar 英國貿易銀圓, 1911B (Pr 21; KM T5). In NGC holder graded MS66, with attractive golden tone, rare thus.
ex H M Lingford Collection, with his ticket, bought Spink, June 1942

Estimate: US$1,500-2,000