Watch List notes:

Constantine II. As Caesar, A.D. 317-337. Æ follis (19 mm, 2.94 g, 1 h). Siscia, under Constantine I, A.D. 320. CONSTANTINVS IVN NOB C, laureate and cuirassed bust of Constantine II left, holding Victory on globe / VIRTVS EXERCIT, two captives seated back-to-back at the base of standard inscribed VOT/X in two lines; S-F/(HL)//ЄSIS(star in crescent). RIC 133. Detailed bust, well centered. Dark green patina, minor porosity. Extremely fine. 

Ex Triskeles 19 (17 March 2017), 665.