Anode for classics

[isanchez]

Hi,
I am trying to repair an HP35 calculator.
Seems that the anode is broken and I need to replace it.
Maybe you have one to trade (or donate ;-D)?
It can be found in 35, 45,46,55,65,80, & 81 models.
The chip code is: 1820-1029

Thanks and kind regards

Ignacio