Watch List notes:

ROMAN EMPIRE. Constantine I the Great, 307-337. Solidus 335, Antioch. Obv. CONSTANTINVS MAX AVG. Diademed, draped and cuirassed bust of Constantine to right. Rev. VICTORIA CONSTANTINI AVG. Victory moving left, holding trophy and palm branch; SMAN. Depeyrot 45/1; RIC 93 (cited). AU. 3.89 g. AU
Ex. Riche collection, Rodolfo Ratto Auction, 7 June 1926, lot 2434; Privately purchase from A. Hess; Ex. UBS auction 78, 9 September 2008, lot 1953.
Very rare; less than 10 examples known in public collections and in private hands.