Great Britain 1902 2½d ultramarine (Board of Education) Official, SGO85.
A very fine unmounted mint, with full original gum, example of this scarce government departmental issue.
Scarce government official stamp issued for use by the Board of Education.
Accompanied with a 1982 British Philatelic Association (BPA) Certificate of Authenticity.
SG Catalogue Value: £3,500 for unused examples.
