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Source:
Colnect
Issued by:
Portugal
Function:
postage
Date:
6/5
/
1970
Issue:
Oporto refinery opening
Denom:
2.80e
Color:
multicolored
Design:
catalytic cracker
(1970)
Watermark:
unwmk
Perf:
13.5
Catalog value:
In collections:
unused
(Stan Shebs)
Prev:
1e d=distilling plant
Next:
3.30e d=distilling plant
External links:
Colnect 63926-..Porto_Refinery
