Giovanni Battista Piranesi, an etching, presumably 18th century.
"Veduta del tempio Sibilla in Tivoli" from the series "Vedute di Roma" (Views of Rome). The motif is 42 x 63 cm.
Not examined out of frame. Minor stains and folds. slightly yellowed. Possibly cut along the edges.
The Bonnier family.
"Vedute di Roma" was first published in 1747, and Piranesi created new plates for the series until his death in 1778.