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Details
cover 1921 (15 July) envelope registered to Hong Kong bearing "CHINA" 2c. (7, five on the reverse) tied by large c.d.s. (type J, code B), postman's chop and bearing a very fine strike of the rare of the boxed "AMOY:B.P.O./No B ... " handstamp in violet which was used at Amoy Port. The Webb guide records ten or less covers bearing this mark which is particularly rare in this colour. Photo