NIGER (1963) Swimmer*. Sepia printer's proof. Dakar Friendship Games. Scott No 114, Yvert No 120. These are the rarest of the French proofs. Only 3-4 were made from the unhardened die as a final check before printing.
AVAILABLE AT $200
MALI (1972) Swimmers-200 meter breaststroke*. University library*. Aztec sculpture*. Die proof in violet signed by the engraver MONVOISIN. Mexico Olympics retrospective. Scott No C163, Yvert No PA163.
AVAILABLE AT $160
NIGER (1964) Water polo*. Die proof in black signed by the engraver DURRENS. Tokyo Olympics. Scott No C45, Yvert No PA45.
AVAILABLE AT $90
NIGER (1968) Diving*. Scott No C91. Yvert No PA91. Mexico Olympics. Die Proof in dark blue signed by the engraver BETEMPS.
AVAILABLE AT $140
DAHOMEY (1975) Divers*. Die proof in green signed by the engraver MONVOISIN. Montreal Pre-Olympics issue. Scott No C238, Yvert No PA242. Only 28 exist. Rare
AVAILABLE AT $90