{"id":"000412511","type":"article","title":"Une nouvelle surfrappe d'époque constantinienne (Hélène, Thessalonique, 318-319)","pages":"67-69","container-title":"Bulletin du Cercle d'études numismatiques, 23.1986","author":[{"family":"Doyen","given":"J.M."}],"issued":{"raw":"1986"}}