• 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

$3.00 Flat Rate Shipping

Buy now, ship later! Purchase over time from many sellers & ship once for $3.00!

10 Million Cards Under One Roof

We house millions of sports cards from thousands of sellers and provide industry renowned customer service!

No Stock Images

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

2012 Elite Extra Edition #128

Jesse Winker /494

2013 Bowman Draft Picks & Prospects Chrome Prospect Autographs #BCA-CM

Colin Moran

2007 Upper Deck Sweet Spot Classic Classic Memorabilia #CM-CS

Casey Stengel

1965 Topps #110

Ron Santo

2012 Elite Down & Distance Materials #35

Eli Manning /299

1997 Pinnacle Zenith Z-Team #ZT4

John Elway

2007 Bowman Chrome #BC65

Adrian Peterson

2004 Fleer Ultra Gold Medallion #213

Ben Roethlisberger

1999 Upper Deck Century Legends Epic Signatures #JY

Jack Youngblood

2007-08 SP Authentic #138

Wayne Gretzky /1999

2009-10 Upper Deck #490

Jonas Gustavsson

2009-10 Upper Deck MVP #371

Matt Duchene

2005-Present Bossa Autographed Postcards #N/A

Gordie Howe

2013-14 Ultimate Collection Ultimate Jerseys #UJ-CK

Chris Kreider

2008-09 Bowman Draft Picks & Stars Chrome #114

Russell Westbrook

1997-98 Upper Deck Ultimate #U1

Michael Jordan

2013-14 Panini National Treasures Material Treasures #7

Klay Thompson /99

1997-98 Fleer Ultra Ultrabilities All-Stars #1 AS

Michael Jordan

2012-13 Panini Marquee Rookie Signatures #24

Jonas Valanciunas

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.