Faustina Jr Brass AE19 of Pautalia, Thrace. 

Obv: FAVCTEINA CEBACTH, draped bust right 
Rev: OVLPIAC PAVTAVLIAC, Concordia standing left holding patera & cornucopiae.

Fine, rough but readable. Clearly yellow brass.

From the collection of the curator.
Acquired from the $5 junk box of Rudnik Numismatics, April, 2004.