Rare follis.
R2 in the Roman Imperial Coinage catalogue.
Plenty of mint bloom.
Roman Imperial
Constantine II (337–340) - as Caesar 317–337, Follis 320, Thessalonica mint
Obverse: laureate, draped and cuirassed bust left
CONSTANTINVS IVN NOB C
Reverse: standard inscribed VOT/XX flanked by two seated captives, S-F across fields, •TS•B• in exergue
VIRTVS EXERCIT
Diameter 19 mm, weight 3.34 g