Fragment of a Roman carved antefix or a cresting plaque. The main leaf and broad fillet core would have to be from an antefix of rather unusual enrichment or if it is a section of cresting relief then from one analogous in use to Soane S89 (Vermeule 129).
Marble, probably Greek marble
Height: 13cm
Width: 17cm
Museum number: S68
Vermeule catalogue number: Vermeule 122