Watch List notes:

ROMAN EMPIRE. Procopius, 365-366. Solidus 366, Constantinople. Obv. DN PROCO - PIVS PF AVG Draped, cuirassed bust right, wearing pearl diadem. Rev. REPARATI-O FEL TEMP Emperor, wearing military costume, standing left, laureate head turned r., holding lance with his right hand, his left hand resting on large shield at side; in exergue CONS and branch. Depeyrot 15/1; RIC IX, 2a1. AU. 4.27 g. UNC
Ex. Hess-Divo Auction 339, 22 October 2020, lot 133.
Extremely rare, the last issue for Procopius.