BLUE '448' NUMERAL OF LEEK (STAFFS) ON COVER (SPEC B1xb). 1850 letter Leek to 'George Reade Esq Sol. Congleton' with 1d (SG8) lettered HB, placed upside down, and with four close to large margins tied good to fine strike '448' numeral of Leek in blue (Spec B1xb). On reverse LEEK date stamp in blue SE 10 1850, filing fold well clear of stamp. (Ref 90113).