• 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

2010 Bowman Draft Picks & Prospects Chrome Draft Picks Refractor #BDP1

Stephen Strasburg

2014 Topps Heritage Minor League Edition Clubhouse Collection Relics #CCR-CM

Colin Moran

1959 Topps #435

Frank Robinson

2001 Upper Deck Minor League Baseball Centennial #77

Miguel Cabrera

2014 Topps Finest Rookie Autograph Patch #RAP-JL

Jarvis Landry

1972 Topps #165

Johnny Unitas

2013 Topps Finest Gold Refractor #129

Jarvis Jones /75

2014 Bowman Rookie Chrome Refractor Autograph #53

Ryan Shazier

2012-13 Panini Certified Certified Signatures [Autographed] #CS-HAG

Carl Hagelin

2006-07 Upper Deck The Cup #153

Matt Carle /249

2014-15 Upper Deck #236

Anthony Duclair

1979-80 O-Pee-Chee #146

John Tonelli

2011-12 SP Authentic By the Letter Signatures #BL-FL

Freddie Lewis /50

1969-70 Topps #85

Dave DeBusschere

2010-11 Panini Gold Standard Gold Mining #10

Dwyane Wade /299

1999-00 Upper Deck NBA Legends Legendary Signatures #EH

Elvin Hayes

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.