This ogham stone, a type of early medieval monument bearing a script made up of notches and lines cut along the edges of a stone, was found lying in a field at Mountrussell, County Limerick, its inscribed end sunk into the ground with only a letter or two visible above the grass. The field in question had a name, at least among local memory: the Bishop's Field, associated with a vanished church and graveyard whose every physical trace had long since disappeared. By the time the scholar H. S. Crawford arrived in 1908, the stone had been pressed into agricultural service, the cows entirely indifferent to the Early Christian lettering beneath their necks.

Crawford's account of the discovery is pleasingly procedural. Suspecting the inscription had been hacked away, he enlisted the herd, a man named Patrick Carroll, to dig around the base. What emerged was a rough pillar of coarse red sandstone, just over six feet four inches long, tapering toward one wedge-shaped end and bearing an inscription running across two angles of the stone for a combined length of nearly seven feet. The text, recorded by R. A. S. Macalister in 1945 as IVAGENI MAQI LAISCEMITA, reads in the ogham formula common to such memorials, roughly indicating a person identified by their father's name. Crawford noted that the stone's surface was friable and rough, making some of the scores difficult to distinguish from natural grooves in the rock, though the inscription itself appeared largely intact. The stone almost certainly originated with the lost ecclesiastical site whose memory lingered only in that half-forgotten field name.

The stone is no longer in Limerick. It was moved at some point and now stands upright beside a tree in the car park of Aherlow House Hotel in County Tipperary. The journey from a Limerick farmyard to a Tipperary hotel car park is an unusual one, and the stone's current setting is decidedly prosaic, but it is accessible and upright, which is more than could have been said when the cattle were using it. Visitors looking for it should head to the Aherlow House Hotel and look near the tree line of the car park; the reddish sandstone pillar is the thing to find. The inscription runs along two angles of the stone, so walking around it rather than simply viewing one face will give a clearer sense of how the text was laid out.