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Source:
Colnect
Issued by:
Sierra Leone
Function:
postage
Date:
4/1
/
1986
Issue:
Halley's Comet
Denom:
50c
Color:
multicolored
Design:
US space shuttle landing 1985
Watermark:
unwmk
Perf:
14.25
Catalog value:
Prev:
15c d=Johannes Kepler (1986)
Next:
70c d=Bayeux Tapestry detail 1066 sighting
External links:
Colnect 788451.._Halleys_Comet