Watch List notes:

Commemorative Series AR Third Siliqua. Struck under Constantine I. Constantinople, circa AD 330. Helmeted and draped bust of Roma right / Large P. Bendall Type 2; RIC -; J.P.C. Kent, Urbs Roma and Constantinopolis Medallions at the mint of Rome, Essays Sutherland, p. 112, pl. 13, 29; RSC -; Vagi 3039; cf. Roma VII, 1299. 0.70g, 11mm, 12h.

From a central European collection.