PRE-DECIMAL & DECIMAL USED GROUP INC. EXAMPLES ON MAIL; Range with 1950 airmail env. to England ex Malta franked 1/- + 2½d with customs charge label and 1/- pair, 3d block of 8 & 6d (6), 1951 airmail env. to Aberdeen ex Gibraltar franked 6d + 1½d pair with 2/6d pair & single dues affixed, c1960 fragment franked 2/6d block of 4 and 1/- block of 30, 1961 2d meter-franked domestic env. with 1/- block of eight & 4d pair dues on front, 1962 airmail env. to London franked KUT 50c pair + 10c strip of three with 2/6d p.due tied to front, 1965 env. to London franked Rhodesia 2/6d with 1/- pair dues tied and framed "STAMPS/NOT/VALID" h.s. on front, 1968 large fragment franked 10/- (26 inc. blocks of 16 and 8), 1/- (7), 6d (10) & 4d, 1986 50p block of 36, c1987 local env. franked £5 to pay stamp and tied by large bold "POSTED UNPAID/34p/TO PAY" h.s., 1991 £5 block of twenty etc. (37 covers/cards/fronts + few hundred stamps) Cross Reference: POSTAGE DUE MARKS, REGISTERED MAIL, INCOMING OVERSEAS MAIL, RHODESIA/ZIMBABWE (Image)