Original Gas Mask Spare Lenses Book They are marked size 9

They are marked size 9 and "Baumwolle mit Kunstseide plattiert" (cotton with artificial silk core)

Originals were normally made from red brown Bakelite

using material cut from the inside area between the buttons

he was in the Air Corps

center rivet where the handle attaches to the lid

Original Gas Mask Spare Lenses Book They are marked size 9New old stock spare lenses for your gas mask. These are war time manufacture, dates vary between 1942, 43 and 44. Good to complete your gas mask can or replace your old cloudy broken lenses. Each packet contains one pair of lenses. There are a few different variations in the printing on the packets, see photos. Packaging shows wear. Some are more yellowed than others. Limited supply. Price is for one packet.