Every year when a new Upper Deck Series 1, Series 2, or Extended  release hits the market, the hobby goes through the same cycle. Boxes get ripped. The top Young Guns rookie  hits eBay.Collectors scramble to buy the first copies available. And almost every year, those early prices turn out to be unsustainably high . The latest example comes from 2025-26 Upper Deck Series 2 , where one of the biggest chase rookies is Matthew Schaefer . Early listings have been strong as collec