Serapis or Sarapis is a Graeco-Egyptian god. A syncretic deity derived from the worship of the Egyptian gods Osiris and Apis, Serapis was extensively popularized in the third century BC on the orders
Marble bust of Serapis wearing a modius
Antoninianus of Postumus with Serapis on the reverse
Bronze votive tablet inscribed to Serapis (2nd century)
A pendant bearing Serapis's likeness, which would have been worn by a member of elite Egyptian society
The modius is a type of flat-topped cylindrical headdress or crown found in ancient Egyptian art and art of the Greco-Roman world. The name was given by modern scholars based on its resemblance to the
Serapis
…styles. The statue suitably depicted a figure resembling Hades or Pluto, both being kings of the Greek underworld, and was shown enthroned with the modius, a basket/grain-measure, on his head, since it was a Greek symbol for the land of the dead. He also held a sceptre in his hand indicating his rulership…
Palmyrene priest wearing the modius, AD 190–200 (Carlsberg Glyptotek)
Sitamun, daughter of Amenhotep III, depicted wearing a modius on her throne. From the Tomb of Yuya and Thuya, 18th Dynasty
Statue of Meritamen, daughter of Ramesses II, wearing a modius decorated with uraei. From the Ramesseum, 19th Dynasty.
Syncretic (blended-beliefs) gods Persephone-Isis and Hades-Serapis, with the latter on the right wearing a modius