Constantius II. Thessalonica. DN CONSTAN-TIVS PF AVG, pearl diademed, draped, cuirassed bust right / FEL TEMP-REPARATIO, soldier spearing fallen horseman, officina letter in left field. Mintmark SMTS, RIC VIII Thessalonica 189. You can try to find the exact variety tied to your officina here: http://www.wildwinds.com/coins/ric/constantius_II/t.html
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