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1989, Apr 25 Halley's Comet c issue wmk. St Edwards crown & CA (no perf info)

-	25+5c	multi	Halleys initial work on nebulae 1676
-	75+5c	multi	Experiments at sea
-	90+5c	multi	Halley observes complete lunar cycle 1720-1738
-	$2+5c	multi	Edmond Halley, Sir Isaac Newton and His …

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