Great Britain 1915 2s6d yellow brown "Seahorses watermark reversed, SG406wj.
A very fine used example printed by De La Rue, neatly cancelled by an Aberdeen circular date stamp for "MR.14.1917." leaving a clear profile.
A very scarce watermark variety of the famous King George V Seahorses stamp issues, rarely seen so fine.
GB Specialised Catalogue No: N64(6)g.
SG Catalogue Value: £900.