Constantius II. As Caesar, AD 324-337. AR Siliqua (19mm, 3.18 g, 6h). Rome mint. Struck AD 336-337. Diademed head right / CONSTANTI VS CAESAR, Victory advancing left, holding wreath and palm frond; R. Unpublished issue for Rome mint. Near EF, toned, a little porous. Apparently unique.
From the A.W. Collection. Ex Gorny & Mosch 151 (9 October 2006), lot 476 (incorrectly attributed to Constantine II).
RIC and RSC record this issue for Constantius II only for the mints of Thessalonica, Heraclea, and Constantinople. Recently, however, a similar issue from of Nicomedia has been discovered (cf. Gorny & Mosch 181, lot 2506). Now, Rome may be added to the list.