CONGO (1961) Sloan's viperfish*. Scott No 97. Yvert No 143. Trial Color Plate Proofs in strip of 5 with multicolor.
AVAILABLE AT $75
CONGO (1961) Hatchetfish*. Scott No 100. Yvert No 146. Trial Color Plate Proofs in strip of 5 with multicolor.
AVAILABLE AT $75
CONGO (1961) Caulolepis longidens*. Scott No 101. Yvert No 147. Trial Color Plate Proofs in strip of 5 with multicolor. What long teeth it has!
AVAILABLE AT $75
CONGO (1961c) Rainbow runner fish*. Scott No 99. Yvert No 145. Trial Color Plate Proofs in strip of 5 with multicolor. **.
AVAILABLE AT $75
CONGO (1964) Johnson's deep sea angler fish*. Trial color plate proof in margin strip of 5 with multicolor. Scott No 120, Yvert No 147A.
AVAILABLE AT $75
CONGO (1968) Runners at starting block*. Trial color proofs in strip of 5. Mexico Olympics. Scott No C72, Yvert No PA74.
AVAILABLE AT $80
CONGO (1968) Boxers*. Trial color proofs in strip of 5. Mexico Olympics. Scott No C74, Yvert No PA76.
AVAILABLE AT $80
CONGO (1968) High jump*. Trial color proofs in strip of 5. Mexico Olympics. Scott No C75, Yvert No PA77.
AVAILABLE AT $80
CONGO (1970) Lilienthal's glider*. Trial color proof. First heavier than air flight. Scott No C100, Yvert No PA101.
AVAILABLE AT $10
CONGO (1970) Lindbergh's plane*. Trial color proof strip of 3. Scott No C101, Yvert No PA102.
AVAILABLE AT $50
CONGO (1973) Kronenbourg Laboratory*. Trial color proofs in margin band of 5 with multicolor. Scott No 279, Yvert No 329. Hard to find!
AVAILABLE AT $75
CONGO (1973) Grain*. Emblème de l'F.A.O.*. Essais de couleur en bande de 5 dont polychrome. 10e anniversaire de programme alimentaire mondiale. Yvert No 343, Scott No 293. Très beau!
AVAILABLE AT $75
CONGO (1973) Grain*. UN and FAO emblems*. Trial color proofs in band of 5 with multicolor. 10th anniversary of World Food Program. Scott No 294, Yvert Mo 344. Hard to find!
AVAILABLE AT $75
CONGO (1973) Runners*. Trial color proofs in strip of 5 with multicolor. 2nd African games. Scott No C180, Yvert No PA182.
AVAILABLE AT $80
CONGO (1975) UN emblem*. Trial color proofs in strip of 5 with multicolor. 30th anniversary of UN. Scott No 360, Yvert No 408.
AVAILABLE AT $60
CONGO (1975) Ader*. Bat-winged plane*. Trial color proof strip of 3. Scott No 359, Yvert No 407.
AVAILABLE AT $45
CONGO (1981) Disabled people*. Trial color proofs in strip of 5 with multicolor. International Year of the Disabled. Scott No 590, Yvert No 631.
AVAILABLE AT $60
CONGO (1982) Airplane*. Amelia Earhart*. Scott No C304. Yvert No PA303. FULL SHEET of 25 Color Proofs with color codes in pencil on margins. **. Magnificent and very hard to find!
AVAILABLE AT $325
CONGO (1982) Airplane*. Amelia Earhart*. Trial color proofs in strip of 5. Scott No C304. Yvert No PA303.
AVAILABLE AT $65