A Hellenistic Marble Relief Fragment of Hades and Kerberos, Circa 3rd Century B.C.

from the lower right corner of a votive relief, carved with a seated figure of a god, probably Hades, resting his left hand on the edge of the throne and wearing a himation, his three-headed hound Kerberos lying down underneath the seat with its front paws crossed, the inscription KERBEΛOΣ engraved on the edge at right.

German private collection, 1970s/1980s

As shown, surface very weathered with losses to detail, scattered chips and abrasions overall, back roughly picked.
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The letter shapes suggest that the inscription was carved around the 3rd Century B.C. The spelling Kerbelos for Kerberos occurs very rarely in Antiquity, and is mostly attested in the late Roman period. In a papyrus notebook of the 4th Century A.D. (P. Bour. 1 [Paris, Sorbonne inv. 826]) ΚΕΡΒΕΛΟΣ is mentioned in a list of Greek gods, heroes, and mythological figures. It is also mentioned in a Greek epigram dated to the 3rd Century A.D. (IG XIV 1746).