2 x 6SN7GT VT231 Ken-Rad Valves
Black Glass
Silver print and logo
Acid etched 6SN7GT
Copper post supports
Flat tray type getters
Close matched pair
Early production
Some rubbing on the silver print
V1 - 9.9ma 2.4gm/ 9ma 2.4gm
V2 - 8.1ma 2.35gm/ 8.3ma 2.35gm
Made in USA
Super rare tubes!
NOS Tested super strong
As per photos