Constantine I, 307/310-337. Siliqua (Silver, 18 mm, 1.87 g, 12 h), celebrating Constantine I's tricennalia, Rome, July 336. Laurel-and-rosette-diademed head of Constantine I to right. Rev. [CONSTAN]-TINVS AVG / R Victory advancing left, holding wreath in her right hand and palm frond in her left. Ramskold in review (Numismatic Chronicle), fig. 24A (this coin). RIC 377. Apparently unique. Holed twice and with a significant portion of the flan missing, otherwise, very fine.


This incomplete siliqua for Constantine I is of considerable interest. Bruun described the type as RIC VII Rome 377, however, none of the examples he referred to fits the description. The first of his examples has a pearl diadem, not a rosette diadem, and belongs to the vicennial emission. Two further examples were said to be from the Kaiseraugst hoard which includes no Rome siliquae. The present example is the only one known of the type, and the mint mark places it in Constantine's second tricennial celebration in July 336. It shows that Constantine also used the Victory reverse in that emission.