COMOROS (1956) Village well pump*. Trial color proofs in strip of 5. FIDES issue. Scott No 43, Yvert No 14.
AVAILABLE AT $50
UNITED NATIONS (1971) Trawler*. Fish*. Sea-bed*. Set of 6 imperforate progressive proof pairs. Scott No 215, Yvert No 208. Peaceful Uses of the Sea Bed. From the UN printer archives. Rare!
AVAILABLE AT $100
MAURITANIA (1960) Pastoral well*. Trial color proof in reddish-violet. Scott No 120, Yvert No 140. Not easy to find!
AVAILABLE AT $20
IVORY COAST (1972) Jacqueville Lake*. Palm trees*. Trial color plate proofs in strip of 3. Scott No C52, Yvert No PA58. Not easy to find!
AVAILABLE AT $40
IVORY COAST (1972) Jacqueville Lake*. Palm trees*. Trial color plate proof pair. Scott No C52, Yvert No PA58. Not easy to find!
AVAILABLE AT $25
IVORY COAST (1972) Jacqueville Lake*. Palm trees*. Trial color plate proofs in strip of 5 with multicolor. Scott No C52, Yvert No PA58. Not easy to find!
AVAILABLE AT $75
SOLD
GUINEA (1966) Water cycle*. UNESCO emblem*. Trial color proof pair. Symbolic water cycle, issue was for the Decade of International Hydrology. Scott Nos 434, Yvert No 285.
AVAILABLE AT $15
FRANCE (1957) Sens River, Guadeloupe*. Trial color proof pair. Scott No 850, Yvert No 1125.
AVAILABLE AT $20
FRANCE (1957) Evian-Les-Bains*. Trial color proof corner pair. Famous for its mineral waters. Scott No 856, Yvert No 1131.
AVAILABLE AT $25
MONACO (1971) Theodolite*. Underwater scene*. Trial color proofs in strip of 5. International Hydrographical Bureau. Scott No 804, Yvert No 861.
AVAILABLE AT $100
MONACO (1971) Theodolite*. Underwater scene*. Trial color proofs pair. International Hydrographical Bureau. Scott No 804, Yvert No 861.
AVAILABLE AT $40
FEZZAN (1949) Well at Gorda*. Trial color die proof in blue with color code in margin. Scott No 2N6, Yvert No 50. Only 3 issued in this color!
AVAILABLE AT $80
FEZZAN (1950) Brak oasis*. Trial color die proof in greenish-black with color code in margin. Scott No 2NJ5. Only 3 issued in this color!
AVAILABLE AT $80