Republican Janus/Prow AE As (Cr. 50/3). Ex Wolgang Helbing (white ink no. 128), acq. in 1888 by Johns Hopkins University ("Garrett Coll.," orange ink 5153), RBW Collection, Robert Hoge. A famous German archaeologist, Helbig (1839-1915) started the tradition of throwing a coin in Trevi Fountain, Rome