M8137 CV4004 ECC83 12AX7 Mullard Mitcham Box Plate T NOS Valve Tube 1pc Jan21A

M8137 CV4004 ECC83 12AX7 Mullard Mitcham. Acid Etched Code: 641 r1F1. IA: 1.2 GM:1.6. IA: 1.28 GM:1.3.

IA: 1.48 GM:1.3. Than one / different listings. All parcels with value of.