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minerals (1971 Portugal) design type

  • Colnect-172-353-Wolframite.jpg
  • Colnect-172-354-Arsenopyrite.jpg
  • Colnect-172-355-Beryl.jpg
  • Colnect-172-356-Chalcopyrite.jpg
Short desc: minerals (1971 Portugal)


Things in this design type:
taxon mineral

Used by 4 stamps: See all uses as list
Portugal postage 9/24/1971 1e multi issue=Economic Geology Congress dt=minerals (1971 Portugal) d=wolframite unwmk
Portugal postage 9/24/1971 2.50e multi issue=Economic Geology Congress dt=minerals (1971 Portugal) d=arsenopyrite unwmk
Portugal postage 9/24/1971 3.50e multi issue=Economic Geology Congress dt=minerals (1971 Portugal) d=beryllium unwmk
Portugal postage 9/24/1971 6.50e multi issue=Economic Geology Congress dt=minerals (1971 Portugal) d=chalcopyrite unwmk