LW Summer Helmet LKp S 100

Luftwaffe, Sommerhelmet LKp S 100, "Siemens FL 31210", STRIEGEL & WAGNER G.M.B.H. LICHTENFELS BAYER.OSTMARK".Here the 1st version with Bakelit built-in ear-microphones,and throat-microphones, such as the radio contact.!! Very rare to find, in excellent + condition