Double folding shaving mirror. Travel mirror. Year 20

Double portable shaving mirror with hook to hang it.
Metal covered with celluloid imitation tortoiseshell.
Japan.
Around 1920.
Diameter: 10 cm or 4 inches.
Mirror pricked by time but without altering a good vision (see photos).
Celluloid covering the metal missing a little at the level of the inner border (see photos).

If you have any questions, don't hesitate.