WALLIS & FUTUNA (1982) Santos-Dumont*. Airships*. Stage die proof in black signed by the engraver BEQUET. Scott No C114, Yvert No PA117.
AVAILABLE AT $140
GUINEA (1983) Montgolfier balloon*. Zeppelin*. Die proof in red of gold foil stamps. Unlisted in Scott. Michel Nos 943-4. These proofs were printed in Switzerland and bear the raised imprint "IMPRIMERIE DES TIMBRES POSTES - SUISSE."
AVAILABLE AT $50
CENTRAL AFRICA (1983) Montgolfier balloon*. Zeppelin*. Die proof in violet of gold foil stamps. Scott Nos 614a-b, Michel Nos 982-3. These proofs were printed in Switzerland and bear the raised imprint "IMPRIMERIE DES TIMBRES POSTES - SUISSE."
AVAILABLE AT $50
UPPER VOLTA (1983) Montgolfier brothers*. Balloons*. Die proof in red of gold foil stamps. Scott Nos 623a-b. Michel Nos 891a-b. These proofs were printed in Switzerland and bear the raised imprint "IMPRIMERIE DES TIMBRES POSTES - SUISSE."
AVAILABLE AT $50
CHAD (1983) First balloon ascenscon anniversary. Die proof in red of gold foil stamps. Scott Nos C270-b. These proofs were printed in Switzerland and bear the raised imprint "IMPRIMERIE DES TIMBRES POSTES - SUISSE."
AVAILABLE AT $50