Equatorial Guinea 1976 Butterflies EK60 (Polygonia c. album) set of 4 imperf progressive proofs on ungummed paper comprising 1, 2, 3 and all 4 colours (as Mi 970)
Equatorial Guinea 1976 Butterflies EK60 (Polygonia c. album) set of 4 imperf progressive proofs on ungummed paper comprising 1, 2, 3 and all 4 colours (as Mi 970)