• 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

1984 Donruss - [Base] #248

Don Mattingly

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

Hunter Renfroe

2017 Topps - Topps Salute #S-92

Andrew Benintendi

1959 Topps - [Base] #560

Luis Aparicio

2011 Topps - All-Star Stitches #AS-64

Jose Reyes

2012 Topps Chrome Rookie Autographs - [Base] - [Autographed] #153

Nick Foles

1957 Topps - [Base] #22

Norm Van Brocklin

1989 Score - [Base] #270

Troy Aikman

2005 Upper Deck Reflections - [Base] #117

Lance Moore /899

2016 Panini Classics - [Base] #268

Rookies - Carson Wentz

2015-16 Upper Deck - [Base] #201

Young Guns - Connor McDavid

2002-03 In the Game Be A Player Signature Series - [Base] - Signatures [Autographed] #024

Marian Hossa

2012-13 Fleer Retro - 1997 Fleer Diamond Tribute Design #9

Wayne Gretzky

2009-10 Upper Deck The Cup - [Base] #151

Michael Sauer /249

2014-15 Upper Deck Premier - Dual Jerseys #PQ2-KK

Tuukka Rask, Pekka Rinne /75

2009-10 Upper Deck First Edition - [Base] #24

Lebron James [PSA 10]

2016-17 Panini Donruss - The Champ is Here #2

Stephen Curry

2016-17 Panini Prizm - Veteran Signatures #14

Draymond Green

2012-13 Panini Marquee - Rookie Rivals Leather #19

Derrick Rose, Russell Westbrook

1988-89 Fleer - [Base] #120

Michael Jordan

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.