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International Mining Congress 1997 issue of Ecuador
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Short desc: International Mining Congress 1997
Issuer: Ecuador Date: 10/6/1997 Occasion: International Mining Congress 1997 Consists of 5 stamps: (See stamps as list) 400s d=quartz (1997) 600s d=chalcopyrite (1997) 800s d=gold (1997) 2000s d=Silicified wood 2600s d=pyrite (1997) All are dt=minerals (1997 Ecuador) Record of changes |
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