Related: The stone is about the size of a chocolate bar and is inscribed with a message in the Irish ogham alphabet thought to be about 1,600 years old. (Image credit: Birmingham Museums Trust) ...

Gardener in Coventry found rock with ogham writing, early alphabet for Irish language. Now, ancient carved artifact is on display at museum.

Gardener in Coventry found rock with ogham writing, early alphabet for Irish language. Now, ancient carved artifact is on display at museum.