used  (1d.) slate-blue, a pale shade with mainly good margins and lightly cancelled; thin spot at upper right not affecting very fine appearance. R.P.S. Certificate (1958). Sc. 11; S.G. 18, £650. Photo
used (1d.) slate-blue, a pale shade with mainly good margins and lightly cancelled; thin spot at upper right not affecting very fine appearance. R.P.S. Certificate (1958). Sc. 11; S.G. 18, £650. Photo

Details
used (1d.) slate-blue, a pale shade with mainly good margins and lightly cancelled; thin spot at upper right not affecting very fine appearance. R.P.S. Certificate (1958). Sc. 11; S.G. 18, £650. Photo
Provenance
Hodsell Hurlock, 1958