White, medium-grained marble with pronounced grey to bluish veining. Proconnesian.
Two joining pieces preserve nearly complete block except for chips at corners, small part missing from upper edge of one face and a sheared-off break along one long side. Broken in two transversely at approximate center. Calcareous deposits, perhaps traces of stucco or plaster on underside. In lapidarium outside north wall of Isthmia Museum apotheke.