Relief showing a Roman emperor making a sacrifice to Silvanus, Roman sculpted reliefs (series title), Icones et segment (...) (series title on object), Relief showing a Roman emperor standing by a statue of the god Silvanus and making a sacrifice. On the left a man with a spear next to the emperor. To the right two men beside the statue. Text in Latin in lower margin. Print is part of an album. print maker: Francois Perrier, (mentioned on object), Giovanni Pietro Bellori, publisher: weduwe Francois Perrier, print maker: Paris, publisher: Paris, Vaticaanstad, 1645, paper, etching, height 256 mm x width 246 mm.