WW2 German Navy Kriegsmarine M30 Microphone Mask In Carrier

M30 gasmask complete with all straps with one being manufacture marked and with a name tag sewn onto the opposite strap. Maker marked with Kriegsmarine stamp to the interior. Marked to the connector above the marked grey colored filter dated 1942. Microphone connector to the lower right side of the mask. Both lenses in place and without cracks or damage. The mask is contained in the issue corrugated magnetic steel metal carrier with spare lens and cleaning cloth to the interior compartment. A rarer WW2 item not often seen.