• 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!

15 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

2014 Bowman Sterling - Rookie Autographs #BSRA-YV

Yordano Ventura

2016 Panini Donruss - New Breed Autographs #NB-MS

Matt Szczur

1970 Topps - [Base] #140

Reggie Jackson [Poor to Fair]

2012 Topps Gypsy Queen - Certified Autograph - [Autographed] #GQA-NC

Nelson Cruz

2000 Topps Finest - [Base] - Refractor #121

Ken Griffey Jr., Alex Rodriguez

2016 Donruss - [Base] #362

Rated Rookies - Dak Prescott

2015 Upper Deck - Rookie Lettermen Signatures #RL-RG

Rashad Greene /25

2012 Panini Prizm - [Base] #203.1

Andrew Luck

2014 Panini Playbook - Booklets - Rookie Silver Signature [Autographed] #156

Charles Sims /299

2014 Panini Contenders - Round Numbers - Holo Gold #1

Blake Bortles, Johnny Manziel /99

2015-16 Upper Deck Ice - Glacial Graphs #GG-TB

Tom Barrasso

2015-16 O-Pee-Chee Platinum - Marquee Rookies #M1

Connor McDavid

2014-15 SP Authentic - Upper Deck Update - Exclusives #503

Mike Santorelli /100

2016-17 Upper Deck - O-Pee-Chee Update - Rainbow Foil #675

Marquee Rookies - Jake Guentzel

1996-97 Upper Deck - Fast Break Connections #FB23

Michael Jordan

2012-13 Panini Innovation - Jerseys #10

Dirk Nowitzki /199

2003-04 Upper Deck Triple Dimensions - 3-D Memorabilia - Warm-Up #3DW16

Kobe Bryant /999

2015-16 Panini National Treasures - Hometown Heroes Autographs #HH-JKD

Jason Kidd /49

2015-16 Panini Complete - [Base] #303

Karl-Anthony Towns

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.