Sale 70 Hong Kong & Treaty Ports

Hong Kong, Type 4 Censor h.s.: 1940 envelope ("Asiatic Petroleum/Swatow" imprint on flap) and card from Kwangtung to Switzerland bearing Dr. Sun Yat-sen values, the first (roughly opened at left) with the adhesive cancelled by "Passed/Censor/Hong Kong/3" violet h.s. and the second showing "Passed/Censor/Hong Kong/2" violet h.s, two very scarce censor numbers, originating in China (with the card illustrated in the Mead article).
Estimate 1,200 - 1,500