• The Safe & Easy Way to Buy & Sell Collectibles

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

Sale - 70% OFF SRP
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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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1954 Topps - [Base] #30

Eddie Mathews [Good to VG‑EX]

$35.00
1958 Topps - [Base] #484

Frank Robinson [Good to VG‑EX]

$8.75
2017 Topps Tribute - Stamp of Approval Relics #SOA-I

Ichiro /199

$15.25
2012 Topps - Golden Moments Game-Used Memorabilia #GMR-CJ.1

Chipper Jones (Facing Left)

$8.50
1998 Topps Finest - [Base] - Refractor #145R

Mark McGwire

$10.25
1975 Topps - [Base] #282

Lynn Swann [Poor to Fair]

$11.09
2010 Topps Chrome - Gridiron Lineage - Refractor #CGL-NS

Joe Namath, Mark Sanchez /99

$16.24
2011 Topps Supreme - [Base] #71

Julio Jones /429

$8.25
2016 Donruss Optic - [Base] #168

Rated Rookies - Ezekiel Elliott

$7.99
2016 Score - [Base] - Rookie Signatures [Autographed] #407

Jaylon Smith

$13.75
2016-17 Upper Deck - UD Game Jersey #GJ-CP

Carey Price

$24.99
2015-16 Upper Deck - [Base] #451

Young Guns - Jack Eichel

$59.95
2016-17 Upper Deck - [Base] #249

Young Guns - William Nylander

$30.25
2016-17 SPx - Impressions Autographs #IA-LD

Leon Draisaitl /199

$9.75
2016-17 Upper Deck - O-Pee-Chee Update - Rainbow Foil #694

Marquee Rookies - Auston Matthews

$8.72
2006-07 Topps Chrome - [Base] - Refractor #67

Lebron James

$85.25
1991-92 Fleer - [Base] #220

Michael Jordan [PSA 8]

$6.00
2013-14 Panini Prizm - [Base] #290

Giannis Antetokounmpo [PSA 10]

$90.55
1997-98 Skybox Premium - Autographics - [Autographed] #RABR

Randy Brown

$19.25
2016-17 Panini Prizm - Go Hard or Go Home - Blue Wave Prizm #4

LeBron James /99

$19.24

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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.