Description: Upright oval, both faces flat. Shape 8–9. Haematite, damaged at the edge of side A. With a modern, hinged, gilded silver mount.
Already at the Kunsthistorisches Museum in 1806.

A:  The three Graces, standing nude and in embrace. Two Graces are holding in their hands branches(?). Below them the Gorgo-head with feathers and three pairs of snakes. 
B: Hecate trimorph in a long garment, holding burning torches in her uppermost hands, daggers in the middle, whips in the lowermost hands. The three heads are adorned with a modius. Above Hecate, Aphrodite anadyomene in three-quarter view, wearing a mantle and wringing her hair. 
C: Greek inscription: γορτωνσεμευαριχαραχαριναχχρταφαε|σιλαμψυποταξαι → voces including variant of σεμεσειλαμ and the Greek word ὑποτάξαι. 'Conquer!'

Bibliography
Zwierlein-Diehl, AGWien III on CBd-2426

Michel, DMG, 18.1.c_1.