Great Britain 1903 3d dull purple/orange-yellow (Admiralty Official, type 011), SGO112.
A very fine unused, with original gum, right hand marginal example of this government departmental issue which is very difficult to find without serious condition issues. This exceptional mint example shows only the slightest trace of a previous hinge.
Accompanied with a 2012 British Philatelic Association (BPA) Certificate of Authenticity.
These were for use in the various Admiralty Departments throughout the country and they were overprinted in black by De La Rue.
SG Catalogue Value: £2,600.