Watch List notes:

Constantine II. As Caesar, A.D. 317-337. AE centenionalis (15.4 mm, 1.70 g, 6 h). Antioch mint, Struck A.D. 336/7. CONSTANTINVS IVN NOB C, laureate, draped and cuirassed bust of Constantine Jr. right / GLOR-IA EXERC-ITVS, two soldiers standing, facing, heads turned towards each other; each holds spear in outer hand and rests on shield with inner hand; between them, single standard // SMANS. RIC VII 109; LRBC 1364; . EF, sharply struck with fresh dies, amazing detail, green/brown patina.

Ex Leo Hamburger 1890's.

This coin comes from a large group of Roman Provincial, Byzantine and Vandalic coins which were part of Leopold Hamburger's inventory. More information on Mr. Hamburger can be found here:https://www.coinbooks.org/v20/esylum_v20n42a19.html