• 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!

11 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

2015 Topps Museum Collection Single-Player Signature Swatches Dual Relic Autographs #SSD-AS

Andrelton Simmons /299

1979 Kellogg's 3-D Super Stars #22.2

Pete Rose (Corrected: 1978 Triples 3)

2015 Topps First Home Run Medallions #FHRM-BRU

Babe Ruth

2014 Bowman Draft Picks & Prospects Chrome Draft Pick Autographs #BCA-DF

Derek Fisher

1961 Topps #71

Jim Brown

1996 Classic NFL Rookies Autographs [Autographed] #34

Jeff Hartings

2012 Topps Chrome #1.1

Andrew Luck (Throwing Ball)

2014 Panini Certified #136

John Brown /999

2009-10 SP Authentic Sign of the Times #ST-NB

Nicklas Backstrom

2014-15 Fleer Ultra #20

Johnny Gaudreau

2012-13 Fleer Retro 1994-95 Fleer Rookie Sensations Design Autographs [Autographed] #5

Chris Kreider

2013-14 Score Signatures #SS-CC

Carter Camper

1979-80 O-Pee-Chee #185

Bobby Hull

1995-96 NBA Hoops Power Palette #1

Michael Jordan

2012-13 Panini Prizm Autographs #22

Reggie Jackson

2012-13 Panini Prizm #201

Kyrie Irving

2005-06 Bowman Draft Picks & Stars Chrome #111

Chris Paul

2009-10 Upper Deck First Edition Gold #196

Stephen Curry

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.