Caracalla AE28 of Hadrianopolis, Thrace. 

Obv: AVT K M AVR CEV ANTWNEINOC, laureate head right 
Rev: ADRIANOPOLEITWN, Triptolemus in biga of winged serpents right, 
 Terra reclining left below.

With permission of www.beastcoins.com, May, 2003.