Used but in good condition Aviation Products AVCOMM AC-900PNR Stereo/Mono, Dual volume control, with Push to Talk built into headset…
$60
Very delicately used pair of DC headsets in excellent condition with a leather carry bag.
$300
Sigma Tek horizon (vacuum, includes Venturi), airspeed, altitude, vertical speed, RPM (with Hobbs), turn co-ordinator, volts, coolant temp, oil temp…
$450