Antique French Engraving ERATO MUSE hand colored Florentine gilt gold frame

Antique Engraving, age unknown, Florentine Italy gilt gold frame ERATO the Muse of love poetry hand colored Bay Laurel wreath Measures 5-5/8" 3-3/4" "gravures sur les muse" per National Gallery of Art Erato, published 1769 Almanach iconologique: Vol.VI [1988.59.1-18] etching and engraving on laid paper artist: Jean Massard (artist) French, 1740 - 1822, Hubert François Gravelot (artist after) French, 1699 - 1773 Inscription upper right in plate: 8; lower center in plate: ERATO; lower left in plate: H.Gravelot inv.; lower right in plate: Massard sculp. Happy to answer your questions