The one at Knockbrack in County Kerry is something rather different. It is not a standing stone at all but a low, irregular rock outcrop, barely half a metre high, sitting on the north-western edge of a slight natural mound in open pasture. What makes it peculiar, beyond its unconventional form, is that the inscription cannot be read at face value. The only plausible decipherment requires inverting the H and B letter series entirely, after which the text runs from right to left and yields a partial name formula: SE..MAC..QENIAECE....A.......S, the kind of ancestral lineage declaration common to ogham inscriptions but here arriving only after the reader has, in effect, unlocked a secondary layer of the script.

The outcrop measures roughly 2.3 metres east to west and 2.1 metres north to south, and it tilts slightly westward, a lean that may partly explain why the western face was left blank while the upper and eastern surfaces carry extensive rock art alongside the inscription. The ogham itself sits on a natural ridge along the top of the broad face, the scores measuring around seven centimetres in length and the notches around three, each cut deeply into the stone with approximately one centimetre of separation between them. Ogham, the earliest written form of Irish, typically encodes personal names and genealogies, and the fragmentary reading here suggests a Mac- formula naming a person in relation to their father or ancestor, though the gaps in the surviving text leave that lineage incomplete. A possible standing stone lies roughly 150 metres to the south, hinting that this stretch of Kerry hillside may have formed a more deliberate ceremonial or commemorative landscape in early medieval times.