Penny Lilac of the Penny Lilac was adapted from that used for revenue stamps in Britain from the early 1860s. In that respect it represented a break with 40 years of tradition in postage stamp design. Its predecessors (the Penny Black, the Penny Red and the Penny Venetian Red) all had rectangular designs. The use of the colour lilac for low value definitives was extended in 1884 when other low-value stamps were issued in lilac, with green then being used for higher-value stamps. The Penny Lilac was a surface-printed stamp and was issued in two forms: Penny Lilac stamps are often found
Penny Red issued until 1971 when decimal currency was introduced when the sheet size was changed to 200, (20 rows of 10 stamps) making the lowest value denomination (half penny) one pound per sheet. On 1 April 1864, the stamp was issued with the plate number engraved in the design, in the left and right side lace work. At this time, the stars in the top corners were also replaced with the same check letters as used in the lower corners, but in reverse order. Because of wear, over 400 different plates were used to print the Penny Red. Two different basic