Speculum Romanae Magnificentiae: Arch of Septimius Severus. Artist: Anonymous, Italian, 16th century. Dimensions: sheet: 17 3/8 x 15 3/16 in. (44.2 x 38.5 cm). Publisher: Claudio Duchetti (Italian, active Venice and Rome, ca. 1565-died ca. 1585). Ser