1926/30: 1 s. 4 d. turquoise, perf. 13½ x 12½, a fine unused interpanneau marginal horizontal pair with full JOHN ASH monogram perforated through, fresh and fine, superb og. BW130Az / Gi = £ 240+.rnProvenance: Corinphila sale 173, April 2012, lot 1019.