This one is on the building that houses the Law Society on Blackhall Place in Dublin. In an earlier time the building was the King's Hospital School, and earlier still it was called the Blue Coat Hospital.
Below: The 'mark on the Law Society Building.
Above: The front view of the Law Society Building. The 'mark is located round the corner on the right, just above the letter 'V' in the sign reading PRIVATE. In strict legal terms Benchmarker and M.C. are probably guilty of trespass, but don't tell the lawyers.