Geologi

Colombia, Brev
1912. COLOMBIA 5 c. on beautiful advertisement MOLINOS DE EL CARIBE - HARINA DIAMANTE cover (open on 3 sides) to NEW YORK. American ship mail post cancel N.Y. P.D. HUD. PAQUEBOT E MAY 23 1912. Unusual with diamond ring advertisement.
Michel 223

USA, Postfrisk -MNH
1935. USA PINNACLE ROCK DOUGLAS ARIZONA. ON THE ROMANTIC MEXICAN BORDER. Blue on golden paper. Never hinged.

Canada, MICHEL 502-505, Postfrisk -MNH
1972. CANADA. International Congres Geology, Geography, Cartography and Photogrammetry. Sheet 16 ex 15 C stamps . Never hinged.

afghanistan, MICHEL 1863-1868, Postfrisk -MNH
1999. AFGHAN POST. MINERALS. Complete set with 6 stamps. Never hinged.

Fiji, Michel 136, Brev
1956. FIJI. Elisabeth & Country motives __ 5 Sh. GOLD INDUSTRY__ on FDC SUVA -1 OC 56 FIJI.