Watch List notes:

CHINA, collection on leaf of Foreign Post Offices in China, stamps of United States Postal Agency in Shanghai overprinted Shanghai/ value / China issued 1919, complete to $2/$1 except for 40c/20c SG 1-12, 14-16, (CV ?2000+), ($1 and $2 illustrated). Mint no orginal gum. (15)

Ex J.P. Melick Collection.