FDC
Hong Kong, Michel 224, Brev
1966. HONG KONG 10 C. UNESCO on FDC cancelled FIRST DAY OF ISSUE 1 DE 66.
Michel 248-249, Brev
1970. HONGKONG. FDC with blocks of four of EXPO 1970 OSAKA Reg. to Stockholm, Sweden. REGISTERED HONG KONG 14 MR 70.
Michel 248-249, Brev
1970. HONGKONG. FDC with 15 C + 2 ex 25 C EXPO 1970 OSAKA AIR MAIL to Stockholm, Sweden. REGISTERED HONG KONG 14 MR 70.
Michel 263, Brev
1972. HONGKONG. FDC with $ 1 CROSS HARBOUR TUNNEL AIR MAIL to Stockholm, Sweden. REGISTERED HONG KONG 20 OC 72.