St Lucia 1967 unissued 6c with Statehood overprint in black, unmounted mint plate block of 6 with semi-constant black flaw below M of March from overprint forme on R9/8 and dot below 1 of 1st on R9/9
St Lucia 1967 unissued 6c with Statehood overprint in black, unmounted mint plate block of 6 with semi-constant black flaw below M of March from overprint forme on R9/8 and dot below 1 of 1st on R9/9