explain what it is you are wanting to go after/buy,ray. here's a link to the k98 data registry which will show you the different maker codes/dates and pictures that might assist you in understanding what it is you are looking for.. http://k98.free.fr/
as for price! it's again determined by what you want,the set or just the bayonet? also the maker/condition and the year are going to determine the cost,when you decide! then you can get some idea,as you could get one for £30/£40 for combat k98s,then on the other side you could pay £100-£300 for the desirable ones,by that I mean! certain makers/dated k98 bayonets are more collectable,and that's where the cost lies,ray..