St Vincent - Bequia 1985 Warships of World War 2, 50c HMS Duke of York unmounted mint set of 4 imperf se-tenant progressive proof pairs comprising printings of brown, black, brown & black plus brown & black with buff background (u……Details Below

St Vincent - Bequia 1985 Warships of World War 2, 50c HMS Duke of York unmounted mint set of 4 imperf se-tenant progressive proof pairs comprising printings of brown, black, brown & black plus brown & black with buff background (unvarnished) a rare group from the Format archives (4 proof pairs)