• 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!

13 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

2013 Bowman Platinum - Autographed Prospects - Green Refractor #BPAP-MK

Max Kepler /399

2012 Panini Cooperstown - Cooperstown Signatures #HOF-BB

Bert Blyleven /399

1993 Donruss - Previews #22

Roberto Alomar

2011 Topps Heritage Minor League Edition - [Base] #211

Bryce Harper

2014 Panini Absolute - Tools of the Trade Complete Rookies #JM

Jordan Matthews /249

1989 Score - [Base] #257

Barry Sanders [ENCASED]

2016 Upper Deck USA Football - Future Swatch Jersey USA U19 #FS-RJ

Ron Johnson

1970 Kellogg's 3-D Super Stars - [Base] #38

Deacon Jones

1991 Action Packed - [Base] - Gold #2G

Deion Sanders

1996-97 Pinnacle Be A Player - Link 2 History - Silver Autograph [Autographed] #LTH-9B

Steve Yzerman

2015-16 Upper Deck Ultimate Collection - [Base] #87

Autographed Ultimate Rookies - Tier 1 - Brady Skjei /299

2013-14 Panini Prime - [Base] #129

Prime Rookies Quad - J.T. Miller /199

2014-15 SP Authentic - Upper Deck Update #528

Andrew Hammond

2002-03 Upper Deck - [Base] #450

Mike Cammalleri

2015-16 Panini Prizm - [Base] - Purple Prizm #213

James Harden /99

2013-14 Panini Prestige - Prestigious Premieres Signatures #16

Giannis Antetokounmpo

1997-98 Upper Deck - [Base] - Game Dated #79

Kendall Gill

2013-14 Panini Crusade - Quest Memorabilia #61

Shaquille O'Neal /99

2000-01 SPx - [Base] #111

Mike Miller /2500

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.