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Shop from 18,846,038 total and 5,704,758 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!

18 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!

Sell Cards

The Safe and Easy Way to Buy and Sell Cards Online

Shop Recently Added

2015 Bowman Chrome - Prospects Autographs #BCAP-AGA

Amir Garrett

2017 Topps Chrome - [Base] #169

Aaron Judge [BGS 9.5 GEM MINT]

2016 Topps Holiday - [Base] - Metallic Snowflake #HMW58

Kris Bryant

2014 Bowman Draft Picks & Prospects - Chrome Draft Pick Autographs - Refractors #BCA-SRF

Sean Reid-Foley

2000 Upper Deck Legends - Legendary Signatures #S-SC

Sean Casey

2013 Panini Select - [Base] - Rookie Jersey Autographs [Autographed] [Memorabilia] #239

Tavon Austin /499

2015 Panini Contenders - [Base] - Championship Ticket #126

Rookie Ticket - Quinten Rollins /99

2017 Panini Contenders Optic - [Base] #156

Rookie Ticket Autograph - Gareon Conley

2014 Panini Prizm - Autographed Rookie - Panini Logo Prizms #AR-TO

Tom Savage /125

1970 Topps - [Base] #9


1978-79 Topps - [Base] #115

Mike Bossy

2017-18 Upper Deck - [Base] - Gold Rainbow Foil #213

Young Guns - Janne Kuokkanen

2011-12 Limited - Team Trademarks - Signatures [Autographed] #18

John Tavares /99

2016-17 Upper Deck SP Game Used - Draft Day Marks #DDM-OB

Rookies - Oliver Bjorkstrand /35

2017-18 Panini Prizm - [Base] #117

Donovan Mitchell

2014-15 Upper Deck Lettermen - Rookie Premier Lettermen Autographs #RL-MM

Mitch McGary /35

2017-18 Panini Crown Royale - [Base] #28

Jayson Tatum

2013-14 Panini Prizm - [Base] - Orange Prizms #282

Trey Burke /60

1969-70 Topps - [Base] #35

Elgin Baylor [Good to VG‑EX]

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.