Great Britain 1955 2s6d-£1 "Castles" (Waterlow printing, Wmk St Edwards Crown). SG536/9var Australian States stamps A most attractive and unusual

A most attractive and unusual cover bearing the world's first postage stamp

A fine mint block of 24 with original gum (two centre rows are unmounted mint)

These are numbers 10 and 13 in the listings

Gibraltar 1946 Victory ½d green and 3d ultramarine

Great Britain 1955 2s6d-£1 "Castles" (Waterlow printing, Wmk St Edwards Crown). SG536/9var Australian States stamps A most attractive and unusualGreat Britain 1955 2s6d 1 "Castles" (Waterlow printing, Wmk St Edwards Crown). SG536 9var Superb unmounted o. g. left hand marginal set of four imperforate imprimaturs with "NPM IMPRIMATUR" handstamps on reverse. Very scarce. ALERT ME WHEN ANOTHER IS AVAILABLE > SELL ONE OF THESE >