*AAH* Thessalonica AE As Janus/horsmen US $20.49 Jul-10-03 Thessalonica AE As Janus/horsmen Thessalonica (Thema) received its name in 315 B.C. in honor of Kassander's wife Thessalonica, daughter of Philip II. AE As, after 88 B.C. , 13.38 g. Obv.: Laureate head of Janus. Rev.: Two horsmen prancing, back to back, each holding branch. Legend in Greek.