cover TA, corner example with full selvedge showing plate number "3" and inscription "PRICE 2D. PER LABE", on entire letter to Birmingham dated 25 July 1844, cancelled by fine clear strike of the black London Inland Office "13" numeral; the adhesive just clipped along the top, trace of bend and some faults in the selvedge but not detracting from this extraordinary exhibition item. Possibly the only known example used on an entire. Photo