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Economic Geology Congress issue of Portugal

  • Colnect-172-353-Wolframite.jpg
  • Colnect-172-354-Arsenopyrite.jpg
  • Colnect-172-355-Beryl.jpg
  • Colnect-172-356-Chalcopyrite.jpg
Short desc: Economic Geology Congress

Issuer: Portugal
Date: 9/24/1971
Occasion: unset


Consists of 4 stamps: (See stamps as list)

1e dt=minerals (1971 Portugal) d=wolframite
2.50e dt=minerals (1971 Portugal) d=arsenopyrite
3.50e dt=minerals (1971 Portugal) d=beryllium
6.50e dt=minerals (1971 Portugal) d=chalcopyrite

All are postage multi wmk=unwmk



Record of changes