Hi,
I know this is quite pricy and its not ebay, but I think it is quite special and might be of interest for someone here (maybe @al-onestare):
https://www.ebay-kleinanzeigen.de/s-anzeige/kona-una-titanium-singlespeed-1997-einzelstuck-chris-king/2282622806-217-1320
It is not mine btw.
Cheers,
Alex