Great Britain 1915 10s blue "Seahorses", SG412var.
A very fine and fresh unmounted mint, with full original gum, example printed by De La Rue overprinted "CANCELLED" type 24.
GB Specialised catalogue No: N70(1)t.
A very scarce King George V Seahorses stamp with the "CANCELLED" overprint and almost never seen in unmounted mint condition.
Accompanied with a Hendon Stamp Company certificate of authenticity (2013).
Stanley Gibbons catalogue value: £3,000 (for mounted mint). There is no catalogue value for unmounted mint virtue of being so rare.
