This the one thing 240 pages pdf is about the coin. Officially known as one penny.
A penny depicting King Offa of Mercia, who is credited with widespread adoption of pennyweight silver coins, 240 of which were counted as a pound. A 1929 South African penny, featuring King George V. English kings and remained the principal currency in Europe over the next few centuries until repeated debasements necessitated the development of more valuable coins. British and Irish coins were marked “new penny” until 1982 and 1985, respectively. England from the 16th century, except in reference to coins considered individually.