French School, late 17th Century

French School, late 17th Century
Vulcan's forge with King Louis XIV as Jupiter on a cloud above; and Minerva drawing plans, surrounded by putti, globes, painting materials and mathematical and musical instruments
inscribed ' SPAVENTA E PIACE.' and 'IO' (interlaced) (i) and '·ALLA VIRTÙ ED ALLA GENTILLEZZA CEDE OGNI COSA·' and a crowned monogram 'DMD' (?) (the letters interlaced) (ii)
traces of black chalk, bodycolour on vellum
16 x 12 5/8 in. (40.5 x 32 cm.)
(2)a pair