SAINT HELENA 1970 (VARIETY) 4D DICKENS CENTENARY IMPRINT BLOCK WITH PURPLE DOUBLE
4d Charles Dickens Death Centenary imprint block x 8, chalk-surfaced paper, PVA gum, with double purple (affecting Job Trotter's background) from single discovery sheet of 30 stamps numbered 439. Unique positional piece. Fresh and fine. Mint never hinged. SG249var; SC232var
