Zaire 1979 River Expedition imperf m/sheet #1 proof with entire design doubled (extra impression 5mm away) plus fine overall wash of red (1k Dancer, 3k Sun Bird, 4k Elephant & 10k Diamond, Cotton & Tobacco) unmounted mint
Zaire 1979 River Expedition imperf m/sheet #1 proof with entire design doubled (extra impression 5mm away) plus fine overall wash of red (1k Dancer, 3k Sun Bird, 4k Elephant & 10k Diamond, Cotton & Tobacco) unmounted mint