ETHIOPIA (1970) OAU Flag*. Set of 8 progressive proofs. Scott No 567, Yvert No 572. Organization of African Unity.
AVAILABLE AT $100
FRANCE (1949) US & French flags*. Plane*. Steamship*. Trial color plate proof in bluish-grey. Franco-American friendship. Scott No 622. Yvert No 840. Scarce!
AVAILABLE AT $40