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Source:
Colnect
Issued by:
Great Britain
Function:
postage
Date:
3/5
/
1991
Issue:
Scientific Achievements
Denom:
22p
Color:
gray
Design:
Charles Babbage
Watermark:
unwmk
Perf:
14.25x14.75
Catalog value:
In collections: some private
Prev:
22p brn d=Michael Faraday (1991)
Next:
31p bl d=Radar Sweep of East Anglia
External links:
Colnect 3171-C..rthern_Ireland
