Watch List notes:

ROMAN EMPIRE. Constantine I the Great, 307-337. Solidus 320, Ticinum. Obv. CONSTANT-INVS P F AVG, laureate head right. Rev. CONCORD-I-A AVGG NN, Concordia seated left, holding caduceus in right hand, cradling cornucopia in left arm; SMT. Depeyrot 17/1; RIC 101; Alfoldy 13-14. AU. 4.19 g. UNC, planchet defect on obverse
Ex. HD Rauch Auction 82, 23 April 2008, lot 613; Ex. HD Rauch Auction 90, 4 June 2012, lot 922.
Very rare especially in this condition.