This is a vintage folding compact make-up advertising mirror by Monteil Paris.
The mirror is a dark brown and features a outline of a lion with wings on the outside bottom with the words "Monteil Paris". On the inside it has a brown plastic piece that opens up and the mirror is on the bottom section.
It measures approximately 3" tall by 2.5" wide by .25" deep.
This compact is in good pre-owned condition with wear on the back.