The Hubertus corkscrew knife is beautiful. Thanks for the link. I think the curved blade is a foil cutter for wine bottles.
Smiling-knife,
I think you are correct about the curved blade, I was only quoting the description : 'mit Champagnerhacken'.
The BladeForums.com 2024 Traditional Knife is available! Price is $250 ea (shipped within CONUS).
Order here: https://www.bladeforums.com/help/2024-traditional/