Minerva visiting Apollo and the Muses on Parnassus

Cesare Nebbia (Orvieto circa 1536-1613) Minerva visiting Apollo and the Muses on Parnassus with indistinct inscription (lower centre) black chalk, pen and brown ink, brown wash, heightened with white, the lower left corner made up 11 x 14½ in. (27.8 x 36.8 cm.)