Thought you guys were kidding about $10k for a Mauser - but then I wasn't even aware that JP Sauer made them. But then:
https://www.rockislandauction.com/detail/52/1864/german-jp-sauer-1939-147-code-98k-bolt-action-rifle
So unless it was Himmler's personal K98, I think $10K is a joke reference to an EE listing that was up some time ago lol. If I recall, buddy claimed it was BNIB. From 1942.
For what it's worth, I paid about $2k for my 1943 Obendorf Kriegsmodell, all matching except for stock, full Waffenamts - and I consider this top dollar for a rifle I fully intend to shoot vs hanging on a wall.