Great Britain 1915 2s6d blackish brown "Seahorses", SG408var.
A very fine well centred lightly mounted unused example, with original gum, of this very rare De La Rue colour shade.
GB Specialised Catalogue No: N64(11).
Accompanied with a 1989 Royal Philatelic Society (RPS) certificate of authenticity.
Stanley Gibbons Specialised catalogue value: £2,250.
