This is totally incomprehensible to me
But then, again, I cannot understand why would anyone in his right mind pay thousands for a small square piece of paper with " US Mail" on it, and many of our friends only shrug their shoulders when they hear that one of us paid hell of a lot for some "rusty scimitar"...
Collecting is a funny business

I am sure that the winner of this knife thinks he got a fine deal for a very valuable thing. Congrats to him!