(3pcs.) M8136 CV4003 Box Type Plate NOS Mullard UK Valve Tubes

(3pcs.) M8136 CV4003 Box Type Plate NOS Mullard UK Valve Tubes
(3pcs.) M8136 CV4003 Box Type Plate NOS Mullard UK Valve Tubes

(3pcs.) M8136 CV4003 Box Type Plate NOS Mullard UK Valve Tubes
M8136 CV4003 ECC82 12AU7 Box Type Plate NOS Mullard UK Valve Tubes.
(3pcs.) M8136 CV4003 Box Type Plate NOS Mullard UK Valve Tubes