Watch List notes:

Constantius II AV Solidus. Siscia, AD 337-340. CONSTANTIVS MAX AVG, rosette-diademed, draped and cuirassed bust to right / GLORIA CONSTANTI AVG, Constantius, diademed and in military attire, standing facing, head to right, holding sceptre and standard with banner inscribed VOT XX; behind, captive seated on ground, raising left hand to his head which is turned back to face the emperor, SIS in exergue. RIC VIII 5; C. -; Depeyrot 1/3; Mazzini I, 91 (this coin). 4.38g, 21mm, 6h.

Near Mint State.

This coin published in I.G. Mazzini, Monete Imperiali Romane Vol. 1 (Milan, 1957);
Ex Pierre Bastien Collection;
Privately purchased from Jean Vinchon (Paris) in 1958;
Ex Giuseppe Mazzini (1883-1961) Collection.