Shop from 16,432,017 total and 5,079,628 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!

16 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.

Buy Baseball Cards Online

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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Rhys Hoskins /250

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2006 Fleer Greats of the Game - Nickname Greats - Autograph #NG-RB

Rick Burleson

2001 Fleer Genuine - Material Issue #TOGL

Tom Glavine

1961 Fleer Baseball Greats - [Base] #99

Jimmy Collins

2014 Leaf Originals - 1960 Design #JG1

Jimmy Garoppolo

1970 Topps Super Glossy - [Base] #2

Johnny Unitas

2013 Upper Deck - [Base] - Star Rookie Autographs [Autographed] #66

Xavier Rhodes

1958 Topps - [Base] #104

Joe Krupa

2013 Panini Contenders - [Base] #204

Cordarrelle Patterson

2016-17 Upper Deck MVP - [Base] - Colors & Contours #295

Level 3 Purple - Pavel Zacha

2016-17 Upper Deck - UD Canvas #C213

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2016-17 Upper Deck - UD Canvas #C240

Young Guns - Auston Matthews, William Nylander

2015-16 Upper Deck - [Base] - Silver Foil Board #226

Young Guns - Daniel Sprong

2016-17 O-Pee-Chee Platinum - Retro - Gold Rainbow #R-5

Sidney Crosby /149

2013-14 Panini Crusade - Quest Memorabilia #92

Kyrie Irving /199

2015-16 Panini Prizm - Autographs #P-EMD

Emmanuel Mudiay

1996-97 Topps Chrome - [Base] - Refractor #34

Charles Barkley

1989-90 Fleer - [Base] #21

Michael Jordan [PSA 9 MINT]

2003-04 Upper Deck UD Legends - Legendary Signatures #LS-AG

Artis Gilmore

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.