RAF B type helmet ear piece rubber pads

RAF, B-type helmet zip ear rubber cushion pads.

Intended for extra sound proofing, these soft sponge rubber pads were fitted in flying helmets with zip ear pieces.

Air Ministry stores Ref. No. 22C/67, these are genuine RAF issue pads.

They both have an unusual rubber stamping on the inside, with the inclusion of the word 'concession' (see photos).

In a good 'used' condition.