Great Britain 1915 2s6d Sepia (Seal brown) "Seahorses", SG408.
An exceptionally fine and fresh unmounted mint, with full original gum, bottom right hand corner marginal block of ten printed by De La Rue. There are a couple of very light gum wrinkles as to be expected with a multiple of this size.
A very rare positional block in such exceptionally fine unmounted mint condition.
GB Specialised catalogue No: N64(13).
