Russian EHX Pot Replacement

[drummer4gc]

I have an old green box Small Stone that is missing a pot. I've been told it is a 1M Reverse Log taper, and while these are easy to find and would be simple to install in this, I'd love if I could do it justice by finding one of those old Russian pots with the long thing shaft. Small Bear doesn't carry them anymore. Does anyone have a source?

Thanks!