• The Safe & Easy Way to Buy & Sell Collectibles

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

Ideal for Set Builders & Player Collectors

Build one order over time from multiple sellers, pay shipping once, and receive your cards in one package.

Buy Cards

Flat Rate Shipping

Buy now, ship later! Purchase over time from many sellers & ship once!

14 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

1988 Starting Lineup Talking Baseball All-Stars - Electronic Game National league #30

Nolan Ryan

2011 Bowman Chrome - Futures - Future-Fractor #1

Bryce Harper

2015 Leaf Metal Draft - [Base] #BA-JK1

James Kaprielian

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

Derek Fisher

2016 Bowman Chrome - Prospects - Blue Shimmer Refractor #BCP236

Gleyber Torres

1984 Topps - [Base] #123

Dan Marino [PSA 7]

2012 Elite - [Base] - Turn of the Century Rookie Signatures [Autographed] #159

Ladarius Green /399

2000 SP Authentic - [Base] #157

Clint Stoerner /1250

1969 Topps - [Base] #168

Willie Wood

1972 Topps - [Base] #165

Johnny Unitas

1996-97 Pinnacle Be A Player - Link 2 History - Autograph [Autographed] #LTH-1B

Teemu Selanne

1986-87 O-Pee-Chee - [Base] #122

Mario Lemieux

2016-17 Upper Deck - O-Pee-Chee Update - Rainbow Foil #675

Marquee Rookies - Jake Guentzel

2016-17 Upper Deck - [Base] #201

Young Guns - Auston Matthews

2008-09 Upper Deck Rookie Class - Box Set [Base] #1

Steven Stamkos

2005-06 Topps Chrome - [Base] #168

Chris Paul

2015-16 Panini Preferred - [Base] #244

Unparalleled - Bill Walton /50

2015-16 Panini Spectra - Spectacular Swatch Signatures - Prizms #SS-DS

Dennis Schroder /149

1981-82 Topps - [Base] #4

Larry Bird

1996-97 Bowman's Best - [Base] - Atomic Refractor #15

Hakeem Olajuwon

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.