Depends on how much you like it and the in person condition. It looks like it could have had a hard life, or just dirty, even both? It looks like there are rolls of drawer liner in the bottom compartment.
Check the slide channels out real well to make sure they haven't worn thin or even through in areas. That is about tops of what I would be willing to pay for those boxes empty, in that condition. Yes you are correct it is a 1960's KRA58B.