Watch List notes:

Bithynia. Koinon of Bithynia. Hadrian AD 117-138.
Cistophoric Tetradrachm AR

27 mm, 10,47 g

IMP CAES TRA HADRIANO AVG P P, laureate head right / COM - BIT, octastyle temple, with entablature inscribed ROM S P AVG.

very fine, scratch on obverse

RPC III 971.