Great Britain 1880 ½d green imprimatur, SG164var.
A very fine unused part original gum line perforated imprimatur, produced for inclusion in the "Before and After the Committee" presentation book.
A very scarce and most attractive example from the first approved printing sheet, being one of only 36 possible examples.
Accompanied with a 1993 British Philatelic Association (BPA) Certificate of Authenticity.
