Watch List notes:

Diocletian. AD 284-305. AR Argenteus (17.5mm, 3.57 g, 12h). Rome mint, 2nd officina. Struck circa AD 295-297. Laureate head right / The four tetrarchs sacrificing before city enclosure with six turrets; B. RIC VI 40a; Gautier, Argent 88a (this coin); RSC 516†g. Iridescent toning, small mark on obverse, some luster remains. Near EF.

Ex Stack's Bowers and Ponterio 172 (13 November 2012), lot 11752.