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
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

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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