UNITED NATIONS (1980) Economic & Social Council. Set of 6 imperforate progressive proofs. Scott No 341, Yvert No 332. From the UN printer archives. Rare!
AVAILABLE AT $50
UNITED NATIONS (1994) Family with house, car, etc*. Set of 6 imperforate progressive proof pairs. Scott No 652, Yvert No 664. Population & Development. From the UN printer archives. Rare!
AVAILABLE AT $100
FRANCE (1977) Map of France*. Trail color proofs in strip of 5. Scott No 1551, Yvert No 1942. Junior Chamber of Commerce.
AVAILABLE AT $80
MONACO (1969) Hands holding wrenches. Trial color proof block of 4. ILO anniversary. Scott No 748, Yvert No 806.
AVAILABLE AT $25
CAMBODIA (1960) Dove*. Factory*. Books*. Trial color proofs in strip of 5. Scott No 84, Yvert No 94.
AVAILABLE AT $75
CAMBODIA (1960) Workman*. House*. Trial color proofs in strip of 5. Scott No 85, Yvert No 95.
AVAILABLE AT $75