1911 (31 Aug) registered cover with pre-printed Hong Kong address, black on red registration label, franked on back with a combination of issues incl. 4x1/2c, 2av, 6av/10r and diagonal bisect 2av, all tied by Macau cds, minor toning, otherwise fine (Image)

Est.US$500

1911 (5 Dec) cover (opened for display), franked on front with diagonal 2av bisect, tied Macau departure pmk, with "Customs Lappa" and Hong Kong arrival pmks on back, filing folds away from the stamp, fine and scarce Lappa Customs strike (Image)

Est.US$400