细节
cover 1921-64 envelopes (31, six registered and one Official), Air Letters (4), registration receipts (2) and an Avis De Reception card, variously addressed and franked, and including one with adhesive cancelled by circular "BRITISH EMPIRE/Lion/EXHIBITION 1924" h.s., and one unfranked to Saigon bearing Indo-China 10c. Postage Due. An interesting lot