This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Clach Dearg of Ardvorlich engraving sometime before . scanned image from page of the book Archological Essays volume by James Young Simpson and edited by John Stuart published in The illustration depicts the Clach Dearg of Ardvorlich Archological Essays volume by James Young Simpson and edited by John Stuart published in Sometime