• 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

1993 Topps - [Base] #98

Derek Jeter

2014 Bowman Sterling - Prospect Autographs #BSPA-TG

Tyler Glasnow

2013 Panini Hometown Heroes - City Hall Signatures #CHMW

Mookie Wilson

1999 Ultimate Victory - [Base] #137

Tim Hudson

1963 Topps - [Base] #382

Ralph Houk [Good to VG‑EX]

2015 Upper Deck Inscriptions - [Base] #LO

Tyler Lockett

2014 Topps Chrome - Rookie Autographs #209

Bradley Roby

2002 Bowman - [Base] #99

Tom Brady

2015 Panini Certified - [Base] #207

Freshman Fabric - Justin Hardy /799

2000 EX - E-Xciting #5 XT

Peyton Manning

2016-17 Upper Deck - [Base] - Gold Rainbow Foil #93

Devan Dubnyk

2013-14 In the Game Between the Pipes - GoalieGraph #A-MJ

Martin Jones

2014-15 Upper Deck - Shining Stars - Royal Blue #SS-1

Duncan Keith

2015-16 Upper Deck Ultimate Collection - [Base] #83

Autographed Ultimate Rookies - Tier 1 - Colton Parayko /299

1988-89 O-Pee-Chee - [Base] #66

Brett Hull

1996-97 SP - Inside Info #IN5

Allen Iverson

1997-98 Topps - [Base] - Minted in Springfield #123

Michael Jordan

1991-92 NBA Hoops - [Base] #579

Michael Jordan [PSA 10]

1994-95 Topps Finest - [Base] - Refractor #305

Tim Hardaway

2013-14 Panini Prizm - [Base] #290

Giannis Antetokounmpo

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.