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.