Marcus Aurelius AE25 of Kallatis, Thrace. AD 161-180 AD. 10.23g  

Obv: AYT K M AYR ANTWNEINOC, laureate head right. 
Rev: KALLATIANWN, Nike advancing right, holding palm branch and wreath. 

Varbanov 252 var (Lucius Verus); AMNG 296 note var (ditto).

Unpublished. This reverse not in Ruzicka, Moushmov, Varbanov, Mionnet; Paris etc. for Marcus Aurelius.

Ebay sale by ancient-numistmatic-coins, Oct. 2014.