Antigua 1976 Flamboyant 20c (with imprint) set of 6 imperf progressive colour proofs comprising the 4 basic colours, blue & yellow composite plus all 4 colours (as SG 478B) unmounted mint
Antigua 1976 Flamboyant 20c (with imprint) set of 6 imperf progressive colour proofs comprising the 4 basic colours, blue & yellow composite plus all 4 colours (as SG 478B) unmounted mint