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

M8137 CV4004 ECC83 12AX7 Mullard Mitcham. Acid Etched Code: 641 r5? IA: 1.2 GM:1.6. IA: 1.25 GM:1.4. IA: 1.15 GM:1.5. Than one / different listings. All parcels with value of.