Shop from 21,506,448 total and 6,424,828 unique sports cards. Baseball, Football, Hockey, and Basketball.

Ideal for Set Builders & Player Collectors

Build one order over time from multiple sellers, pay shipping once, and receive your cards in one package.

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Flat Rate Shipping

Buy now, ship later! Purchase over time from many sellers & ship once!

21 Million Cards Under One Roof

We house millions of sports cards from thousands of sellers and provide industry renowned customer service!

High resolution scans of the front & back of every card.

Easy & Fun Sports Card Flipping

Filter by team, player, set & more. Purchase, instantly relist, & flip for profit.

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We Do The Work To Sell Your Cards

Research & identify your collectibles

Evaluate condition & value

Scan the front & back of every card

Advertise to find buyers

Store & insure consigned collectibles

Resolve customer service needs

Securely package & ship to buyers

We Have Other Unique Services

Mailbox Services

Grading Services

Amazon Integration

Historical Sales Data

Sell Baseball Cards Online

A Different Way to Sell Cards

We identify, scan, list, store, insure, package, and ship - just send us your sports cards, trading cards, and collectibles. All COMC listings can be automatically posted to Amazon!

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The Safe and Easy Way to Buy and Sell Cards Online

Shop Recently Added

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2019 Topps Stadium Club - [Base] - Red Foil #72

Shane Bieber (Named Justin in blurb on back)

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Carlos Gonzalez /559

1998 Upper Deck Black Diamond Rookies - White Onyx Rookies #ON18

Randy Moss /2250

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2002 Topps - [Base] #248

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2009-10 Upper Deck - Rookie Materials #RM-JT

John Tavares

2018-19 Upper Deck - [Base] - Silver Foil #218

Young Guns - Oskar Lindblom

2011-12 Upper Deck - [Base] #229

Mika Zibanejad

2018-19 Upper Deck Chronology - Franchise History Autographs #FH-LA-JF

Jim Fox

2019-20 Upper Deck - [Base] #249

Young Guns - Quinn Hughes

1984-85 Star - [Base] #259

Tom Sluby

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1995-96 Skybox E-XL - A Cut Above #7

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2019-20 Panini Prizm - [Base] - Red White & Blue Prizm #261

Sekou Doumbouya

COMC (Check Out My Collectibles) is a unique marketplace for buying and selling sports cards, gaming cards, comics, and more. We have a great selection of singles, memorabilia cards, autographed cards, and rookie cards. Our listings include front and back scans of every card. We're also a great place to sell cards. Do you want to know more about card values? Learn about our suggested prices.