Anyone familiar with Bob Kramer knives?

There’s one on eBay I really like but I can’t find much information on his handmade ones. I’m fine with spending a reasonable amount but of course I don’t want to overpay. Anyone have any idea what I should limit my bid to? His kitchen knives are crazy expensive and from what little information I am able to find even his folding knives go into the thousands easily. I included one of the listing photos.

I appreciate any help on this.