art identification

I'm not sure if it is painted on canvas or what. Does anyone have any idea about this? It appears the name may be Ferguson on here (not for certain). Any way I can identify the name of the artwork and the artist who did it? Thank you for your help!

Hello, I have acquired about 15 of these framed prints. The frames are heavy and sturdy (on back, brackets with screws hold frame together) There are two prints in each frame. "Elevation of the arch of Septimius Severus of Rome", "Elevation of the arch of Constantine of Rome". I found similar...