Archon in Cyzicus/Mysia c. AD 211-217. His name and office appear on coins issued under Caracalla (during his reign as Augustus).
The portraits of Caracalla point to a start date around AD 211, an emission as early as e.g. AD 198 can be excluded. For the
coins see SNG von Aulock nos. 7378-7379; SNG Hunterian Museum no. 1217; SNG France Mysie nos. 778-780. Lit.: W. Leschhorn,
Lexikon der Aufschriften auf griechischen Münzen II (2009) p. 730 s. v. Onesiphoros (AD 198-217); Th. Corsten (ed.), Lexicon
of Greek Personal Names V A. Coastal Asia Minor (2010) p. 347 s. v. Onesiphoros (nos. 29 and probably 30) (AD 211-217).