unused 2½d. Prussian blue, fine mint. R.P.S. Certificate (1969). S.G. 76c, £300 | Christie's

Lot 280

280

unused 2½d. Prussian blue, fine mint. R.P.S. Certificate (1969). S.G. 76c, £300

Details

unused 2½d. Prussian blue, fine mint. R.P.S. Certificate (1969). S.G. 76c, £300