Matched Quad Mullard VR135 CV6 DET20 Pan Getter Valves Tubes NOS (V40) #2

Matched Quad Mullard VR135 CV6 DET20 Pan Getter Valves Tubes NOS (V40) #2
Matched Quad Mullard VR135 CV6 DET20 Pan Getter Valves Tubes NOS (V40) #2

Matched Quad Mullard VR135 CV6 DET20 Pan Getter Valves Tubes NOS (V40) #2
Military Arrow Markings on the Glass.
Matched Quad Mullard VR135 CV6 DET20 Pan Getter Valves Tubes NOS (V40) #2