MONACO (1959) UNESCO emblem*. Die proof in black signed by the engraver GANDON. Scott No 435, Yvert No 511.
AVAILABLE AT $140
MONACO (1959) UNESCO emblem*. Children of different races*. Die proof in black signed by the engraver PIEL. Scott No 436, Yvert No 512.
AVAILABLE AT $140
MONACO (1966) UNESCO 20th anniversary. Die proof in black signed by the engraver GANDON. Scott No 642, Yvert No 700.
AVAILABLE AT $140
CHAD (1966) Pillar*. UNESCO emblem*. Die proof in black on watermarked paper (rare) signed by the engraver DERREY. 20th anniversary of UNESCO. Scott No 132, Yvert No 129.
AVAILABLE AT $50
LAOS (1966) UNESCO 20th anniversary*. Die proof in green signed by the engraver FRERES. Scott No 133, Yvert No 138.
AVAILABLE AT $100
UPPER VOLTA (1966) UNESCO emblem*. Die proof in reddish-violet on watermarked paper (rare) signed by the engraver GAUTHIER. 20th anniversary. Scott No 173, Yvert No 175.
AVAILABLE AT $50
UPPER VOLTA (1966) UNESCO emblem*. Children*. Die proof in black on watermarked paper (rare) signed by the engraver GAUTHIER. 20th anniversary. Scott No 174, Yvert No 174.
AVAILABLE AT $50
IVORY COAST (1966) Man*. Waves*. Die proof in dark blue signed by the engraver DURRENS. 20th anniversary of UNESCO. Scott No 249, Yvert No 256.
AVAILABLE AT $50
MADAGASCAR (1966) UNESCO emblem*. Die proof in black signed by the engraver MONVOISIN. 20th anniversary. Scott No 393, Yvert No 426.
AVAILABLE AT $50
CAMEROUN (1966) People*. Die proof in dark blue signed by the engraver PHEULPIN. 20th anniversary of UNESCO. Scott No 451, Yvert No 432.
AVAILABLE AT $50
DAHOMEY (1966) UNESCO emblem*. Die proof in black signed by the engraver BEQUET. 20th anniversary. Scott No C45, Yvert No PA49.
AVAILABLE AT $50
GABON (1968) Book*. UNESCO emblem*. Die proof in brown on watermarked paper (rare) signed by the engraver MIERMONT. International Literacy Day. Scott No 231, Yvert No 230.
AVAILABLE AT $50
IVORY COAST (1972) Book*. Children*. Die proof in reddish-violetsigned by the engraver FORGET. International Book Year. Scott No 325, Yvert No 333.
AVAILABLE AT $50
CONGO (1966) UNESCO emblem*. Microscope*. Die proof in black signed by the engraver HERTENBERGER. Scott No 152, Yvert No 198. Hard to find!
AVAILABLE AT $160
LAOS (1958) Globe*. Goddess* carrying torch*. Bicolor die proof signed by the engraver PHEULPIN. Scott No 48, Yvert No 51. Issued to commemorate the opening of UNESCO headquarters in Paris. These early artist proofs are becoming very hard to find!
AVAILABLE AT $150