Watch List notes:

Foreign Coins, China, Republic, gold twenty dollars, undated (1919), Yuan Shih-kai as Hung-hsien facing l. in military uniform with shoulder epaulet as 5-star general, rev. Chinese legend above and in centre of wreath, broad border on each side (KM.Y331; LM.1029; Fr.4), certified and graded by PCGS as Mint State 63, a fine example of this gold rarity, the largest denomination coin of the entire Republic period
Estimate: 15000-20000 GBP