Constans, AE4, 17 mm, Thessalonica, 335-341 AD.

Obv: FL CONSTANS NOB CAES, laureate, draped, cuirassed bust right.
Rev: GLORI-A EXER-CITVS, two soldiers holding spears and 
shields with one standard between them, o on banner.
Mintmark: SMTS delta.

RIC VII Thessalonica 226, rated R4.

ebay sale, Feb. 2011, seller pannonii, Slovenia.