Penny Lilac as perfins - that is with initials or insignia added as perforations to mint stamps which meant they could not be redeemed for cash at a post office. The addition of perfins was widespread practice in Britain from the 1860s as a precaution against theft. Penny Lilac The Penny Lilac was the basic penny postage stamp of Great Britain from its first issue on 12 July 1881 and was used until 1901. It superseded the short lived Penny Venetian Red because the Customs and Inland Revenue Act of 1881 necessitated new stamps that were also valid as revenue stamps, and
Penny Red about 21 billion Penny Reds were printed by Messrs. Perkins, Bacon & Co. Initially, the stamp had no perforations, and had to be cut from the sheet using scissors in the same manner as for the Penny Black and the early printings of the Two pence blue. Perforations, (experimental gauge 16), first came into use in 1850 and were officially adopted in 1854 (in the same size as the experimental issue). The experimental issue can be distinguished from the general issue as the later was applied to stamp which used a different alphabet type for the letters in the lower