Constantius II, Augustus 337-361 CE. AE centenionalis, Thessalonica, officina 5; 348-350 AD. 
Size and Weight: 21mm x 22mm, 3.8g 

Obv: D N CONSTAN-TIVS P F AVG, Pearl-diademed, draped, cuirassed bust left, globe in right hand. 
Rev: FEL TEMP REPAR-ATIO, Helmeted soldier, spear in left hand, advancing right, head left; with his right hand he leads a small bare-headed figure from a hut beneath a tree. The spear points downwards and to the left. TES Delta in ex.

Bill Welch's collection: www.forumancientcoins.com/moonmoth/ancientcoins.html

Ref: RIC VIII Thessalonica 117; LRBC 1635 
BW Ref: 048 029 095