Covers tagged "wetlands" (clear filter)

Botswana African Tourism Year stamp, World Columbian Stamp Exposition 1992
Botswana African Tourism Year stamp, World Columbian Stamp …
1981 Wildlife Habitats - Save Mountain Habitats
1981 Wildlife Habitats - Save Mountain Habitats
Duck Stamp 50th Anniversary, 1984
Duck Stamp 50th Anniversary, 1984
Australia Post 85c Pelican Definitive - Seasons Greetings FDC
Australia Post 85c Pelican Definitive - Seasons Greetings F…
Duck Festival 50th Anniversary - Preserving Wetlands
Duck Festival 50th Anniversary - Preserving Wetlands