? What's so funny about it? It was a limited run, 4 years old, original MSRP was $75 (as far as I could find), and one sold for that price last summer:
https://www.ebay.com/itm/201990926673?rmvSB=true
Sure, you might not think it's worth that much simply because it's a KO, but that doesn't change how limited it was, the lack of availability still, the appreciated price with the passing of time, etc.