Irish groats were minted first in 1425 and the last ones were minted under the reign of Elizabeth I of England.

When was the groat introduced?

When the groat, worth fourpence, was first introduced by Edward I in about 1280, it was to be the largest silver coin in circulation in England for the next 220 years, until Henry VII introduced the testoon (shilling) in the early years of the 16th century.

How old is a groat?

The English Groat coin has a long history of nearly 600 years. A small number were first minted during the reign of King Edward I, 1272 to 1307.