18th century Austrian bloodletting knife.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...e_fullsize.jpg
https://s3-us-west-1.amazonaws.com/h...ding_knife.jpg
Previously:
https://www.homemadetools.net/forum/...977#post171811
https://www.homemadetools.net/forum/...963#post164326
https://www.homemadetools.net/forum/...896#post160127
https://www.homemadetools.net/forum/...035#post157123
