Manuel Briones

Stamps Category Minerals Manuel Briones

1995 - Centennial of the National Geological Institute
Hungary
1993 - Centennial of the National Geological Institute
Hungary
1991 - Centennial of the National Geological Institute
Hungary
B285 - Amethyst
Switzerland
1537 - International Thematic Philately Exhibition "Portucale 77"
Brazil
Edf 5404 - Jet
Spain
1269 - Ore
Ghana
1345 - Tin
Thailand
2873 - 250th Anniversary of the Mining Academy in Freiberg
Germany
B1059 - Precious Stones
Germany