What makes it worth pausing over is the carving on its west face: a large linear cross enclosed within a circle, its arms stopping just short of the ring's inner edge, and its shaft breaking through the bottom of the circle to end in a T-shaped terminal. That last detail is the quietly strange part. The T-shaped foot, sometimes called a hammer-head or serif terminal, is a recurring but not fully explained feature of early medieval Irish cross-slabs, and its presence here gives the stone an almost typographic quality, as though the mason were following a precise visual grammar.

Cross-slabs are among the more understated survivals of early Christian Ireland. Unlike the elaborate high crosses that tend to attract attention, they are simple upright stones incised with a cross, often marking a grave or a place of devotion, and frequently found within or beside early ecclesiastical enclosures. The encircled cross on the Ahane slab places it within a tradition that stretches back to at least the sixth or seventh century, when the ringed cross became a common motif across Ireland and western Britain. The slab itself is modest in its dimensions, measuring roughly 36 centimetres across at the base and only 10 centimetres in depth, which means it is relatively thin for a standing stone. Its slight inclination and precise north-south orientation suggest it was deliberately placed rather than simply propped up, though whether it marks a specific burial or served another function within the site is not recorded. The survey of the Iveragh Peninsula compiled by A. O'Sullivan and J. Sheehan, published by Cork University Press in 1996, provides the clearest description of the stone and its setting.