BENCHMARKS continued
This one is at Ardgillan Demesne in Fingal County,
Dublin. It's on a mile-marker which has been moved to there from it's
original location, (probably near Man o' War).
Below: A 'mark at Ardgillan Demesne.
Above: At the entrance to Ardgillan Castle with the mark
on the top of the mile-marker pillar at right.