Watch List notes:

Diocletian. AD 284-305. AR Argenteus (19mm, 3.09 g, 6h). Siscia mint. 3rd emission, circa AD 295. Laureate head right / Four tetrarchs sacrificing over tripod before city enclosure with eight turrets; *SIS. RIC VI 59 var. (7 turrets); cf. Jeločnik 8a; RSC 516†l var. (same). Light iridescent toning, hairline die breaks on obverse. EF.

From the John L. Cowan Collection. Ex Harlan J. Berk BBS 161 (28 October 2008), lot 419.