Extensive collection on leaves with QV (to $3), KEVII and KGV issues, cancelled in Shanghai, Amoy, Canton, Foochow, Hankow, Hoihow, Ningpo, Swatow, Tienstin and Wei-Hai-Wei, also IPO markings and Pakuas, incl. C.E.F. ovpts on Indian stamps and CHINA ovpts on Hong Kong stamps, a wonderful reference lot with a wealth of exceptional strikes (Est. CHF 3’000/5’000) (Image)