Historic Collins 313N-2 COMM/NAV aircraft radio control panel

I am offering an original control panel for the Collins 313N-2 COMM / NAV aircraft radio The panel is fitted with separate volume and power controls for both the COMM and NAV sections, rotary selectors and mechanical frequency indicators. The rear panel is fitted with two multi-pin connectors. Data from the label: Model number: 313N-2 Collins P/N: 522-2447-262 Serial number (S/N): 9609 ENV CAT: B FAA TSO: C34a, C35a, C37a, C38a, C40a Weight: 1.9 lb (approx. 0.86 kg) Manufacturer: Collins Avionics Divisions, Rockwell International, Cedar Rapids, Iowa 52406, USA / Melbourne, FL Condition: The item is second-hand, with signs of normal wear and tear commensurate with its age. See the photographs for the visual condition. Functionality has not been verified; I am therefore selling this as an untested, second-hand aviation instrument, without any guarantee of functionality. Suitable for collectors, for a collection of historical avionics, as an exhibit, or for further technical use following appropriate verification.