Equatorial Guinea 1976 Butterflies EK1 (Papilio machaon) set of 4 imperf progressive proofs on ungummed paper comprising 1, 2, 3 and all 4 colours (as Mi 964)
Equatorial Guinea 1976 Butterflies EK1 (Papilio machaon) set of 4 imperf progressive proofs on ungummed paper comprising 1, 2, 3 and all 4 colours (as Mi 964)