used (1d.) slate-blue with good to large margins and neatly cancelled leaving Britannia clear; small natural paper flaw at lower right, fine. B.P.A. Certificate (2001). Sc. 11; S.G. 18, £650. Photo
used (1d.) slate-blue with good to large margins and neatly cancelled leaving Britannia clear; small natural paper flaw at lower right, fine. B.P.A. Certificate (2001). Sc. 11; S.G. 18, £650. Photo
used (1d.) slate-blue with good to large margins and neatly cancelled leaving Britannia clear; small natural paper flaw at lower right, fine. B.P.A. Certificate (2001). Sc. 11; S.G. 18, £650. Photo
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