• 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

1982 Topps Traded - [Base] #98T

Cal Ripken Jr.

2010 Bowman Chrome - Prospects - Refractor Autographs [Autographed] #BCP103

Nick Franklin /500

2014 Topps Tribute - Autographs - Sepia #TA-BPH

Brandon Phillips /35

1969 Topps - [Base] #640

Fergie Jenkins

2011 Topps Inception - [Base] - Blue #133

Marcell Dareus /150

2015 Topps Valor - Battle Cry #BC-AB

Antonio Brown

2012 Panini Contenders - [Base] - Rookie Ticket Variation #195

Vontaze Burfict

1964 Philadelphia - [Base] #71

Herb Adderly

1998-99 Bowman's Best - Mirror Image Fusion #F15

Wayne Gretzky, Brendan Morrison

2016-17 Upper Deck - O-Pee-Chee Update #694

Marquee Rookies - Auston Matthews

2015-16 Upper Deck - UD Canvas #C243

Bobby Hull

2015-16 Upper Deck - UD Canvas #C251

Teemu Selanne

2016-17 Upper Deck - UD Game Jersey #GJ-CM

Connor McDavid

1997-98 SPx - [Base] - Gold #10

Michael Finley

2013-14 Fleer Retro - 1993-94 Scoring Kings #12

Julius Erving

2003-04 Upper Deck UD Top Prospects - Signs of Success - [Autographed] #SS-KB

Keith Bogans

2013-14 Panini Prizm - Autographs #32

Mason Plumlee

2016 Panini Player of the Day - Rookie Materials #6

Devin Booker

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.