Great Britain 1915 2s6d blackish brown "Seahorse", SG408var.
A very fine and fresh unmounted original gum block of four printed by De La Rue, bearing the usual off white gum on reverse not detracting in any way from this very rare multiple of this difficult shade to find.
GB Specialised Catalogue No: N64(14).
Accompanied with a 1990 Royal Philatelic Society (RPS) certificate of authenticity.
SG Catalogue Value: £9,600+.
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