An engraving by Marco da Ravenna depicting the throne of Neptune, which is copying a bas-relief that Ruland (1876) catalogued as then in the Louvre. Signed by the printmaker with his monogram and inscribed at the bottom of the print with the location of the bas-relief and the date 1519 in Roman numbers. Trimmed within the platemark.

Bartsch catalogued this print as after a drawing by Raphael. According to the inscription on the print, this bas-relief was in the church of S.Vitale, Ravenna in 1519 and Marco Dente is documented in the city in the same year.