A bas relief of Neptune, Jupiter, and three other figures, on the temple of Minerva Pallas. Etching by J. Barbault.

The bas relief is described as part of the frieze of the temple of Pallas, i.e. Minerva. The remains of the temple are in the Forum of Nerva in Rome: the frieze has been much weathered. The man here described as "Le Génie" appears to hold a cornucopia