GREAT BRITAIN 1968 (VARIETY) 5D ROYAL BLUE IMPERF PAIR, CYLINDER 15 PRINTING
5d Royal Blue imperforate pair from cylinder 15 printing. Scarce. Fresh and fine. Mint never hinged. SG735c; SGU17a; SCMH8var
Note: imperforate stamps also exist from cylinder 10, but these were stolen from the printers in 1970. Stamps printed from the original state of cylinder 15 show screening dots around the edges of the frame which bleed into the gutters. Cylinder 10 stamps do not
