Great Britain 1878 10s Greenish grey Plate 1, SG128var.
Very fine and fresh unused original gum imperforate imprimatur lettered CC.
Very rare imprimatur of this classic Queen Victorian stamp issue. Only 24 examples were removed from the imprimatur sheet of which a maximum of 18 examples exist in private hands.
The SG catalogue price for SG128 is £50,000.
Accompanied with a 2004 British Philatelic Association Certificate of Authenticity.