Apollo Command Module Control Panel, stamped on the reverse, “Engineering Test,” along with serial numbers, and numbered on the front “23.” Panel measures 9.5 x 14, and is for audio controls. Labels include: “Mode Intercom/PTT,” “Vox Sens,” “Master Volume,” “Suit Power,” and “Power Audio/Tone.” Panel has no switches, but has an attached wire bundle on reverse. In fine condition, with expected wear. RRAuction COA.