83 V tube nos Fivre Italy rectifier tubes black sharp plate D getter rare ww2

one tube tested on tube tester TV7D/U  = 62/62  (reference good at 40/40)

price is for one piece = one tube = 1 valve 

real genuine tube Made in Italy 

black plate 

sharp plate 

Brown base 

yellow label 

old production 

code on glass 128

full wave rectifier for amplifier power vintage amp

box 150