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 pre-owned condition with wear on the back.