Official, 1874/7: 9d. red-purple, watermark Large Star, perforated
11½ x 10, overprinted small "O.S." in black, showing the "No Stop
after
Official, 1874/7: 9d. red-purple, watermark Large Star, perforated
11½ x 10, overprinted small "O.S." in black, showing the "No Stop
after S of O.S." variety, unused, with part original gum, typical
irregular perforations, well-centered for this difficult issue,
fine and rare. Cert RPSV (2009). Gi = £ 5'500 Provenance:
Collection Napier, Robson Lowe, 26 September, 1979