unused  -- a fresh mint example surcharged in black. B.P.A. Certificate (1984). S.G. 188b, £700. Photo
unused -- a fresh mint example surcharged in black. B.P.A. Certificate (1984). S.G. 188b, £700. Photo

Details
unused -- a fresh mint example surcharged in black. B.P.A. Certificate (1984). S.G. 188b, £700. Photo