New (old stock) in the original box.
Pentode Valve
VR91
Metal outer can
9 pin base NOT octal
These would have been made in USA or Britain - not stated on packaging or the can.
Commonly used at the time for general radio and radar applications, first designed in 1938
6.3V heater supply
Typically runs 250V on the anode, around 10mA maximum
Tested as described in the description
This item is not returnable, UNLESS not as described
