Shop from 17,035,714 total and 5,237,630 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!

17 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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Hank Bauer

1954 Topps - [Base] #36

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1992 Classic Best Minor League - [Base] #402

Derek Jeter

1964 Philadelphia - [Base] #12

Johnny Unitas [Good to VG‑EX]

2010 Topps Finest - Finest Moments - Autograph [Autographed] #FMA-LM

LeSean McCoy

1986 Topps - [Base] #161

Jerry Rice

1970 Topps - [Base] #30

Bart Starr

2014 Topps Chrome - [Base] - BCA Pink Refractor #158

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2015-16 Upper Deck Full Force - Rising Force - Gold #RF-JV

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Andy Greene /399

2008-09 SPx - Winning Materials #WM-CC

Bobby Clarke

2000-01 SP Authentic - [Base] #106

Mike Comrie /900

2016-17 Upper Deck - [Base] - Gold Rainbow Foil #315

Petr Mrazek

1996-97 Topps Chrome - [Base] - Refractor #10

Rik Smits

1986-87 Fleer - [Base] #81

Charles Oakley

2016-17 Upper Deck Euroleague - [Base] - Rainbow #99

Kevin Pangos

2016-17 Panini Court Kings - Fresh Paint Autographs #FP-HEE

Henry Ellenson

2004-05 Topps - [Base] #23

Lebron James

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.