Great Britain 1902 10d Dull purple & carmine (O.W. Official) SGO35.
Very fine used example neatly tied to a small piece by a Part Circular datestamp for MY.5.1904. A lovely example of this rare departmental issue.
Accompanied with a 1990 British Philatelic Association (BPA) Certificate of Authenticity.
The SG catalogue price is £2,250