Getting Started
The Wonderful World of Trading Card Shows
Trading card shows are gatherings where collectors and enthusiasts buy, sell, and appreciate a diverse range of cards, fostering community and nostalgia.
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The Most Epic Moments in Sports Card History That'll Give You All the Feels
Discover the most iconic moments in sports card history that transformed these collectibles into legendary treasures and shaped the industry as we know it today.
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What You Need to Know Before Grading Your Sports Cards
Before grading your sports cards, closely examine their corners, surface, centering, edges, and print defects, and ensure their authenticity to maximize their potential value and receive the best possible grade.
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Cracking the Code on PSA 10 Graded Cards: Multipliers, Premiums, and Must-Knows for Collectors
Discover the world of PSA 10 graded cards and learn how multipliers and premiums can significantly impact the value of your trading card collection.
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Showtime Breakers: The Official Merchandise Sponsor of The Union Marketplace
3 years ago
Event Vibes
Beckett Grading at The Union Marketplace Del Mar: Halloween Edition Oct 6th - 8th
3 years ago
Event Vibes
The Union Marketplace Del Mar Card Show Exciting Raffle: A Chance to Win Big!
3 years ago
Event Vibes
Costume Contest at The Union Marketplace: A Fusion of Cards and Costumes on October 7th!
3 years ago
Event Vibes
Pokémon Training Reimagined with Sanctum Comics Games & Cards at The Union Marketplace!
3 years ago
Event Vibes