UU1911-12 watermark Crown ½d. die 1b, booklet pane of six with watermark inverted, each stamp with "GREAT AYTON" c.d.s., 1d. die B, a marginal single and corner block of four with "A11" controls, showing varieties S.G. Spec. N8f and N8i respectively, mint, 1912 (Jan.) 1d. die 2, mint block of twelve, one stamp with no cross on crown, 1912 (Aug.) watermark Simple Cypher ½d. die 2, mint vertical coil join, chiefly fine