HALF-PENNY Surcharge (18 mm.) 1881 (Feb-June): ½ d. on 1 d. red, plate 215, lettered NG, an unused example of fine colour, fresh and fine, large part og. A rare plate Gi = £ 800.rnrnProvenance: Collection W.L.E. Miller, RL, Basel VI, 28 Oct 1977, 2321.