Watch List notes:

Constantine I. A.D. 307/10-337. BI centenionalis (18.3 mm, 3.20 g, 1 h). Siscia Mint, Struck A.D. 328-329 . CONSTAN-TINVS AVG, laureate head of Constantine I right / PROVIDEN-TIAE AVGG, gate of 8 layers, annulets in top layer; no door, two turrets and star above // A SIS (double crescent). RIC 214; LRBC 737. EF, sharply struck and well-centered on generous, perfectly round flan - some AR adherant, mostly on reverse.