Province Bithynia-Pontus
City Calchedon 
Region Bithynia
Reign Gordian III
Obverse inscription ⳞΑΒ ΤΡΑΝΚΥΛΛΕΙΝΑ Ϲ
Obverse design diademed and draped bust of Tranquillina, r.
Reverse inscription ΚΑΛΧΑΔΟΝΙΩΝ
Reverse design Apollo holding lyre, reclining on swan flying l.

Coin no. 26 of RPC VII.2, 1854


Reference CNG MBS 81, 20 May 2009, lot 773
Diameter 27
Weight 8.26
Axis 6
External URI|391|773|ceebb9daa2be38e96dad48212e317a0d