Watch List notes:

Constantine I. A.D. 307/10-337. BI half follis (17.41.45 mm, 1.47 g, 1 h). posthumous commemorative for Divus Claudius Gothicus (Died A.D. 270). Siscia mint, Struck A.D. 317-318. DIVO CLAVDIO OPTIMO IMP, laureate and veiled head of Gothicus right / REQVIES OPTIMO-RVM MERITORVM, Gothicus seated left on curule chair raising hand and holding short scepter // SIS. RIC VII 109. Good VF, well centered and sharply struck on full-size, round flan, green patina with much remaining silver (yellow/green).