St Edrin's 3, Incised and Inscribed Stone, The Corner House, 6 Carmarthen Street, Llandeilo

The National Monuments Record of Wales records St Edrin's 3, Incised and Inscribed Stone, The Corner House, 6 Carmarthen Street, Llandeilo as Inscribed Stone; Cross Incised Stone; Carved Stone; Incised Stone from the Early Medieval period. The saved point comes from the official national record. Inclusion does not by itself mean that the public may enter the place.

Likely dating to the early medieval period, this stone may have had a Christian association, possibly linked to St Edrin, a 6th-century saint of the region. Such stones often served as memorials, markers, or had liturgical significance in early Welsh Christian practice.