used 1857 (26 Dec.) Provisional use of the perf. 16 machine, 1d. set of plates complete except for 38 but with additional examples from plates 34 and 48, also 1861 Engraved corner letters 1d. plate 50, two singles showing the different watermark types, plate 51 single and pair showing the different watermark types, 1862 1d. reserve plates 15 and 16; used being neatly or lightly cancelled; mostly very fine. S.G. Spec. C11, C12 and C13