Watch List notes:

Constantine I (307-337). AE Follis. Cyzicus mint. Obv. IMP CONSTA-NTINVS AVG. Laureate and draped bust with clock left, holding sceptre. Rev. IOVI CONS-ERVATORI AVGG. Jupiter standing left, holding Victory and sceptre; laurel wreath in left field, A in the right field; in exergue, SMK. AE. 3.46 g. 19.50 mm. Almost FDC, well preserved silvering all over the surface. Good EF.