Gradient's Renton, Wash., office space is home to 10 million sports and gaming cards, where a team of card geeks and ...

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TCGplayer is making it easier for sellers to catalog their stock with the Roca Sifter system, which processes more than 1,000 ...

In 2015, a mechanical engineer decided to use a two-week hiatus before a new job to re-examine his card collection. Sorting through his collectibles took longer than expected — 24 hours spread over ...