British C7 General Civilian Respirator

The British C7 General Civilian Respirator used a thin rubber facepiece with plastic lenses and a big gold exhale valve on the left cheek.  They were made for civilians after World War II.  This example was made by Avon in 1953.

 

Similar masks in my collection:  Finnish M31, Swedish Type 15, Swedish Type 19, Swedish Type 32