unused 1902-10 1d. red, variety imperforate between stamp and sheet margin at base (being from the foot of the top pane), three examples rejoined to form the original lower-left corner strip of three, fine mint; one stamp with tiny natural paper inclusion. A great rarity. Only twelve examples are known. B.P.A. or R.P.S. Certificates. S.G. Spec. M5d, #4500