Rarities, NOS in abundance.. for a small fee.

[Sxot]

So I stumbled on to this page of NOS razors. Now I have no idea what I am looking at but WOW, some awesome looking kit there.
Check this one for a cool 600euro;

http://www.revisor-solingen.de/index.php/en/razors/rarities/r-0020-detail

Not everything is so expensive though;
http://www.revisor-solingen.de/index.php/en/razors/rarities/r-0169-detail