R.A.F. A-13a Oxygen Mask. (M.S.A.22001)

A13-a Oxygen mask, in excellent condition, with no issues. By M.S.A.This one has the microphone housing still 'complete' unlike later ones which had the mic fitted the same as the H-type Mask, so i presume it is voice activated?All straps & snaps are in excellent condition, as is the oxygen tube, and fitted with the early 191A2 oxygen connector Mask is dated 55/55/56.F-type Helmet Sunglasses & Head are for display purpose only. (F-type is for sale in the post war helmets section)sold as is, and not tested.price includes postage to UK mainland only.