Ultra Rare Mullard Holland GZ34 5AR4 Metal Base Valve tV2 56K'DD' Getters (V5)

Ultra Rare Mullard Holland GZ34 5AR4 Metal Base Valve tV2 56K'DD' Getters (V5)
Ultra Rare Mullard Holland GZ34 5AR4 Metal Base Valve tV2 56K'DD' Getters (V5)
Ultra Rare Mullard Holland GZ34 5AR4 Metal Base Valve tV2 56K'DD' Getters (V5)

Ultra Rare Mullard Holland GZ34 5AR4 Metal Base Valve tV2 56K'DD' Getters (V5)
TV2 56K Code in the Base.
Ultra Rare Mullard Holland GZ34 5AR4 Metal Base Valve tV2 56K'DD' Getters (V5)