The two female figures are positioned with their backs against each other by Lalique. The deeper meaning of this lies in the phenomenon of 'counter-reflection' in which not the mirror image but the back of the reflection is reflected. This makes the usually invisible, visible: the true face behind the person. After all, the Latin word for 'mask' is 'persona'.
The mirror is made of silver with glass inlay. The print run is extremely low. It is said that Aleksandra of Denmark (grandmother of King George VI of England) owned one. The mirror is in sublime condition. Signed 'LALIQUE'.