That's a very nice looking K98 bayonett. If you look at the markings on the bayonett and search them online, you can find the info you are looking for. Like the maker and year of Production.
Thank you. I did look it up. From what I've gathered so far, the producer is Ernst Pack und Söhne and it's made in 41.
This is a Seitengewehr 84/98 out of the Waffenamt-Contract, so this peace bears a Serial-Number and WaA acceptance Markings.
Maker is Ernst Pack & Söhne out of 1941.
Serial-Number: 7911 f = the 67.911 Exemple of this maker in the year 1941 for the waffenamt-Contract.