Your search Porto gave 185 results.
It is not excluded, that a torso of a man (H. 0.24) of marble from Luna represents a torchbearer.
White marble statue (H. 0.43 Br. 0.29), found in 1925 "sulla via Aurelia intorno al milliare undecimo nella tenuta denominata il Bottacio" (Lorium).
In 1946 Franz Cumont wrote me: "D'apres une notice que m'a communique Richard Wiinsch en 1910, Ie Lyceum Hosianum de Braunsberg en Prusse orientale possede (ou possMait car il n'existe peut-etre plus) un basrelief de Mithra, acquis pres de Rome"…
About the next two monuments, no further data are known (cf. MMM II 485 No. 78c, bis): 1) In Palazzo Barberini (Zoega, Abh., 148 No.8).
Two statues, which were formerly in the Villa del Grande near the Porta Maggiore.