New production Mullard GZ34 rectifier tube. One knob cap is a replacement. See all pictures for cosmetics. Very good shape for age but has scratches, marks, imperfections etc. Please see our other items for more vintage tubes & audio.This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Amplifiers & Tube Amps". The seller is "circatubes" and is located in this country: US. This item can be shipped to United States.