CONGO (1961) Helicrysum mechowiam*. Sepia printer's proof. Scott No C2, Yvert No PA2. 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
CONGO (1977) Trajan Vuia and plane*. Imperforate proof mounted on Format International Card. Scott No 421, Yvert No 471.
AVAILABLE AT $60
CONGO (1977) Roland Garros and plane*. Imperforate proof mounted on Format International Card. Scott No 423, Yvert No 473.
AVAILABLE AT $60
CONGO (1985) Russian soldier*. Kremlin*. Fall of Berlin*. Special perforated proof mounted on card with official stamp and signature. 40th anniversary of victory over fascism. Scott No 734, Yvert No 761.
AVAILABLE AT $80