used  (1d.) slate-blue, a deep shade with small margins and neatly cancelled "2", fine. R.P.S. Certificate (1959). Sc. 11; S.G. 18, £650. Photo
used (1d.) slate-blue, a deep shade with small margins and neatly cancelled "2", fine. R.P.S. Certificate (1959). Sc. 11; S.G. 18, £650. Photo

细节
used (1d.) slate-blue, a deep shade with small margins and neatly cancelled "2", fine. R.P.S. Certificate (1959). Sc. 11; S.G. 18, £650. Photo
来源
Hodsell Hurlock, 1959