used (1d.) slate-blue with good to large margins and lightly cancelled leaving Britannia clear; thin spot at right not affecting very fine appearance. R.P.S. Certificate (1950). Sc. 11; S.G. 18, £650. Photo
used (1d.) slate-blue with good to large margins and lightly cancelled leaving Britannia clear; thin spot at right not affecting very fine appearance. R.P.S. Certificate (1950). Sc. 11; S.G. 18, £650. Photo
used (1d.) slate-blue with good to large margins and lightly cancelled leaving Britannia clear; thin spot at right not affecting very fine appearance. R.P.S. Certificate (1950). Sc. 11; S.G. 18, £650. Photo
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