1) Archaeological artefact type
Found on
https://www.crosswordclues.com/clue/datestone
A datestone is typically an embedded stone with the date of engraving and other information carved into it. They are not considered a very reliable source for dating a house, as instances of old houses being destroyed and rebuilt (with the old date stones intact) have been reported. Specific locations have often been chosen for datestones, viz. .....
Found on
http://en.wikipedia.org/wiki/Datestone
No exact match found.
