Antoninus Pius, AE35 of Philippopolis, Thrace. 19.09 g. AD 138-161. 

AY TI AI ADRI ANTWNEINOC, laureate, draped, cuirassed bust right.
EPI M PON CABEINOY PRECBEY CEB ANTI FILIPPOLEITWN (sic), two 
river-gods reclining facing each other, the one on the left 
holding patera and rudder, the other holding patera and reed. In 
the background are the three mountains on which the town was built, 
temples on two and Apollo standing on another.

Varbanov 656 (this coin).
Extremely rare.

The three most important of the seven mountains near this town 
gave Philippopolis its Roman name: Trimontium. 

With permission of numislanz.de, Auktion 102, lot 598