Vietnam War F-4 Phantom Crew Chief Ground Maintenance Headset w/ Microphone

Vintage Vietnam War F-4 Phantom Straightway Crew Chief / Ground Maintenance Support Crew Headset w/ Microphone as shown on photos. Manufactured by David Clark Company. P/N 133C/A1C.  Alternate P/Ns  H133CAIC, 12135G03, 3728CMC, 372-8CMC, 66B818. NSN: 5965-00-226-7870. It would make an excellent show item of the office or home.. Sold for display only, as is, no returns will be accepted.