CONSTANTINVS IVN NOB C, laureate, draped & cuirassed bust left / PROVIDENTIAE CAESS dot, camp gate, two turrets & star above, ꞏSMKΓꞏ in exergue, Cyzicus mint, minted 325-326 CE. 19 mm, 3.08 grams. RIC VII 52. SKU x3527-22235