Watch List notes:

Roman Imperial. Diocletian (284-305), AR Argenteus, 3.32g, Ticinum mint, struck circa 294, diocleti anvs avg, laureate head right, rev. victoria sarmat, four tetrarchs sacrificing over tripod before city enclosure with seven turrets (RIC VI 12a; RSC 488d), attractive iridescent tone, a choice extremely fine

provenance
CNG, Triton XIII, 5 January 2010, lot 357
Ex. White Mountain Collection