China: 1919 'SHANGHAI CHINA' opt USA set 2c/1c - $2/$1, plus 16c & 24c listed shades. Mostly superb fresh MNH, all pristine never hinged original gum (only 2nd 16c sl gum aging spots). Sc K1-16 cat US$5290 MNH. SG 1-16 cat £2470 for M, should be at least double, £4940 MNH. Extremely rare in genuine MNH condition & certificate can be obtained on request. (18) (P) (Image1)

Estimate AU$5,000