Country: All Subject: Insuffient for Air Mail Clear
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NEW AMSTERDAM, British Guiana opened 2 sides full Pegasus illustrated Air Mail cover with QE2 9c rate pmk'd 13 FE 56, 3-line purple "Insufficient Postage for/transmission by/Air Mail.", no b/stamps. £15
BRITISH GUIANA postal history 1958(?) cover to Bodmin, Cornwall with QE2 5c pair, 6c pmk'd 23 MY with purple "NOT IN THE AIR MAIL." and 3-line "Insufficient Postage for/transmission by/Air Mail." handstamps. £16
INSUFFICIENTLY PREPAID plus "triangle-type" Sierra Leone postmarks newly discovered str. line (allocated 726.02 as without "FOR AIR MAIL") and unlisted 15mm high triangles in greenish-black nullifying "T" handstamp on KG6 ½d, 1d pmk'd FREETOWN EAST */11 OC 55 piece with added KG6 ½d pmk'd FREETOWN 28 OC 55. Note small portion bluish "E" at extreme left £40
INCONNU/NOT KNOWN/ONBEKEND applied PIETERMARITZBURG, Transvaal postal history with POLISH AIR FORCE boxed on GB KG6 1d cover from Blackpool 18 NO 42 with purple jusqu'a bars denoting insufficient for airmail, on arrival pmk'd 25 II 43/15 and 13 III 43/41 with 4 MAY 1943 return arrival backstamp, some peripheral faults. £95