The Arcus Argentariorum, is an ancient Roman arch that was partly incorporated in the seventh century into the western wall of the church of San Giorgio al Velabro in Rome, Italy.
Wikipedia https://en.wikipedia.org/wiki/Arcus_Argentariorum
Address 3a Via del Velabro, Roma 00186, Italy
Coordinates 41°53'22.166" N 12°28'58.81" E