1645
unused 10/- steel blue, lightly mounted mint, negligible corner perf. crease, faint trace of overall toning but still a fine example of this rare shade. R.P.S.L. certificate (1990). S.G. Spec. N71 (3), #1500. Photo

細節
unused 10/- steel blue, lightly mounted mint, negligible corner perf. crease, faint trace of overall toning but still a fine example of this rare shade. R.P.S.L. certificate (1990). S.G. Spec. N71 (3), #1500. Photo