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Short desc: Halley's Comet c
Issuer: Grenada Date: 4/25/1989 Occasion: Halley's Comet Consists of 4 stamps: (See stamps as list) 25+5c d=Halleys initial work on nebulae 1676 75+5c d=Experiments at sea 90+5c d=Halley observes complete lunar cycle 1720-1738 $2+5c d=Edmond Halley, Sir Isaac Newton and His … All are wmk=St Edwards crown & CA Issues with this name: Central African Republic (1986), Grenada |