unmounted mint Block of Four A specialised collection in Philatelic album with the basic values in blocks of four followed by a comprehansive collection of plate blocks of four with all 10p. cerise, 20p. olive-green includes "30" and "30A", "41" and "44A", 50p. deep ultramarine including "13", "22" and "22A" plus uncoated paper plate blocks "8" and "9" plus £1 values. Unmounted mint, fine and desirable