1p red-brown (1; S.G.1), horizontal strip of three, used with oval grids, large margins, very deep color; the right stamp with a trace of a minute thin, otherwise very fine, with 1975 R.P.S. certificate, S.G. Cat. £1,200

Details
1p red-brown (1; S.G.1), horizontal strip of three, used with oval grids, large margins, very deep color; the right stamp with a trace of a minute thin, otherwise very fine, with 1975 R.P.S. certificate, S.G. Cat. £1,200