VINTAGE WW II , US MILITARY ..AIR CREW, HEADPHONE SET..IT IS COMPLETE WITH LEATHER, ALL METAL, BLACK BAKELITE RECEIVERS, AND RUBBER EAR PIECES..CONDITION IS VERY GOOD..ALL PARTS ARE PRESENT..RUBBER HAS STORAGE ODOR.(TO BE EXPECTED)..DO NOT KNOW IF WORKS..SOLD AS DISPLAY ITEM ONLY....SPECIFICATIONS....ANB-H-1...MX-41/4A..THE ROLLA COMPANY INC.NEW YORK..#10280..SEE PICTURES FOR ACTUAL CONDITION...PAYMENT DUE AT TIME OF PURCHASE.ITEM TO SHIP UPON PAYMENT CLEARANCE.SHIP ONLY TO U.S. AND EB...AY GLOBAL.