NEW CALEDONIA (1971) Morse recorder*. Satellite*. Trial color proofs in strip of 5 with multicolor. World Telecommunications Day. Scott No 390, Yvert No 374. Not easy to find!
AVAILABLE AT $100
NIGER (1971) Satellite*. ITU emblem*. Electromagnetic waves*. Earth*. Trial color plate proof. Scott No C158, Yvert No PA156. Scarce!
AVAILABLE AT $12
MONACO (1983) Satellite* and parabolic antenna*. Dove*. Scott No 1375. Yvert No 1373. World Communications Year. Trial Color Plate Proofs in strip of 5 with multicolor. **.
AVAILABLE AT $120
CHAD (1965) Olsen perforator*. Trial color proof pair. ITU Centenary. Scott No 112, Yvert No 110.
AVAILABLE AT $15
CHAD (1965) Baudot telegraph distributor*. Trial color proof pair. ITU Centenary. Scott No 114, Yvert No 112.
AVAILABLE AT $15
IVORY COAST (1971) Submarine cable station*. Trial color proof strip of 3. Scott No 315, Yvert No 318.
AVAILABLE AT $25
NEW CALEDONIA (1971) Morse recorder*. Communications satellite*. Scott No 390. Yvert No 374. Third World Telecommunications Day. Trial Color Plate Proofs in strip of 5. **.
AVAILABLE AT $80