30mm numeric tube manufactured by Hivac

The GR10J is a clear glass numeric nixie tube manufactured by Hivac. It is relatively large and very rare. This tube has copper colored anode grid and nicely shaped digits.
Brand / Manfacturer Hivac
Same Types
Likely Tyes
Symbol height in mm 30
Characters / Symbols 0-9
Decimal point none
Base / Socket B26A
Starting Voltage (typ) 170 V
Maintaining Voltage (typ) 145 V
Current per Segment 3mA
Reccomend Resistor 8.2kOhm @ 170V