• The Safe & Easy Way to Buy & Sell Collectibles

    Buy from different sellers and get your cards in ONE shipment.

Sale - -10% OFF SRP
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Joeybats19
Sale - 53% OFF SRP
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Tmleafs26
Sale - 30% OFF SRP
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Fiber1
Sale - 42% OFF SRP
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aroundthehorn
Sale - 45% OFF SRP
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dustin42

Find baseball cards and other sports cards on sale in Promotions & Port Sales

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!

15 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

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1972 Topps - [Base] #719

Cesar Geronimo [Good to VG‑EX]

$6.25
1957 Topps - [Base] #301

Sammy Esposito

$8.25
2016 Topps Chrome - [Base] - Purple Refractor #50

Kris Bryant /275

$24.25
2017 Bowman - Chrome Prospect Autographs #CPA-TS

Thomas Szapucki

$9.25
1966 Topps - [Base] #523

Bob Sadowski

$14.00
2011 Topps Chrome - [Base] - Gold Refractor #117

Cameron Heyward /50

$12.25
2014 Panini National Treasures - Signatures #S-GB

Giovani Bernard /35

$25.24
1998 Bowman Chrome - [Base] #1

Peyton Manning [BGS 9]

$56.99
1978 Topps - [Base] #315

Tony Dorsett

$20.25
2006 SP Authentic - Autographs #SP-KJ

Keyshawn Johnson

$12.25
1986-87 Topps - [Base] #3

Wayne Gretzky

$25.25
2015-16 Upper Deck Full Force - [Base] #101

3D Full Force Freshman - Connor McDavid

$150.25
2014-15 Upper Deck Overtime - Rookie Review #RRC-3

Johnny Gaudreau

$4.49
2012-13 Panini Classics Signatures - [Base] - Autographs [Autographed] #144

Harry Howell

$10.69
2016-17 Upper Deck SP Game Used - Draft Day Marks #DDM-CD

Rookies - Christian Dvorak /35

$15.25
2006-07 Upper Deck Rookie Debut - Debut Ink - [Autographed] #DI-KL

Kyle Lowry

$8.95
2006-07 Ultimate Collection - Ultimate Signatures - [Autographed] #US-SW

Shelden Williams

$4.19
2007-08 Topps Echelon - [Base] #23

Lebron James /999

$8.34
2000 Skybox Dominion WNBA - [Base] #93

Becky Hammon

$10.25
1957-58 Topps - [Base] #65

Win Wilfong

$25.25

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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. We don't use stock images; 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.