Aerogramme
(obsolete) A postage-paid letter-size sheet of lightweight paper that was folded into an airmail envelope for correspondence to other countries. Enclosures were not permitted. Aerogrammes were discontinued in 2007.
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(obsolete) A postage-paid letter-size sheet of lightweight paper that was folded into an airmail envelope for correspondence to other countries. Enclosures were not permitted. Aerogrammes were discontinued in 2007.