FEDERAL TERRITORY 1993 (VARIETY) 15C RUBBER IMPERF PLATE 8A BLOCK
15c Rubber, bluish gum, multiple SPM watermark, top left corner traffic light/plate 8A–8A–8A–8A–8A block x 10, with first four columns imperforate. Very scarce major error. Trivial paper wrinkles otherwise fresh and fine. Mint never hinged. SGK19a; SC5var; ISCK17var
Note: imperforate proofs exist from a plate 1A–1A–1A–1A–1A printing with pinkish gum
