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Amgueddfa Cymru
Roughly squared pillar stone with Ogam and Latin inscriptions.
Enw'r Safle: Eglwys Nynnid, Margam
Nodiadau: Original monument was probably located (found) near the presumed line of the Roman Road between the forts of Cardiff and Neath; either erect or recumbent. The discovery of a Romanesque arch incorporated in the wall of the farmhouse (above) confirms its identification as the site of a grange of Margam Abbey. In the mid-18th century, it was noted as being beside the road known as "Water Street" (SS 8033 8446). It is now located in the Margam Abbey Museum.