Death Masks

A death mask is a wax or plaster mask of a deceased face. This typically would be displayed in a Victorian family home to remember a dead family member.
One of the most famous death masks is called "The Unkown Woman of The Siene". A unidetifyed woman drowned in The River Siene in the 1880's. Her face was made into a death mask because of her faint smiling expression which has been likened to The Mona Lisa. 
This mask was used as the face of all CPR Dummies and is now known as "The 'most kissed' Face of All Time"  

Unkenholz, T. (2015) The L’Inconnue Siene. Available at: http%3A%2F%2Fwww.viralnova.com%2Flnconnue-seine%2F 

This is my interpretation of a Death Mask