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Collectiwiz

P.O. Box 832

Brookline, MA 02446-0023

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© 2019 – 2026 Collectiwiz. All Rights Reserved.

Located in Brookline, Massachusetts, USA, Collectiwiz is an industry-leader in the high-value graded collectibles market, including buying and selling trading cards like Pokemon and Magic: The Gathering, sports cards like Mickey Mantle, Michael Jordan and Tom Brady, comic books like Spider-Man and Superman, plus autographed celebrity and sports memorabilia from stars like Sabrina Carpenter, Taylor Swift, Shohei Ohtani and LeBron James.

Our online collectibles store and expert authentication team serves clients from all over the northeast, including Connecticut, Rhode Island, New Hampshire, Maine, New York, New Jersey, and Pennsylvania, plus offers fast shipping on graded cards, sealed boxes, and more across the United States and Canada.

As an Amazon Associate, I earn from qualifying purchases. As an eBay Partner, I may be compensated if you make a purchase from links on this site. As a Whatnot Affiliate, I may earn commissions when clicking links on this site.

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We’re proud to be founded in Kendall Square, an innovation hub right in Cambridge, Massachusetts, and we recently moved to Brookline, Massachusetts, a town just outside of Boston!

Pokémon and its trademarks are ©1995-2025 Creatures, Nintendo, and GAMEFREAK. The card photos appearing on this website are the property of The Pokémon Company International, Inc.

Our website, collectiwiz.com, is a fansite. Our website is not official in any shape or form, and it is not affiliated, sponsored, or otherwise endorsed by Nintendo, Creatures, GAMEFREAK, or The Pokémon Company International, Inc.

All logos, trademarks, and copyrights (e.g., for Magic: The Gathering, Yu Gi Oh!, Lorcana, One Piece, etc.) on this website are the property of their respective owners.