• 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

2015 Bowman's Best - [Base] #50

Kris Bryant

2010 Bowman Draft Picks & Prospects - Chrome Prospects Certified Autographs - Blue Refractor [Autographed] #BDPP69

Justin O'Conner /150

1972 Topps - [Base] #533

Ralph Houk

2015 Panini National Treasures - [Base] #100

Tommy Lasorda /99

1984 Topps - [Base] #490

Cal Ripken Jr. [PSA 9]

2016 Panini - [Base] #289

Rookies - Dak Prescott

2015 Topps High Tek - Autographs - Pattern 1 Grass/Waves #96

Sammie Coates

1996 Upper Deck Collector's Choice Update - Record Breaking Trio #4

Joe Montana, Dan Marino, Jerry Rice

2015 Topps High Tek - Autographs - Pattern 1 Grass/Waves #52

Landon Collins

2016 Donruss Elite - [Base] - Black #144

Elite Rookies - Tyreek Hill /199

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

Autographed Ultimate Rookies - Tier 1 - Brady Skjei /299

2015-16 Upper Deck - O-Pee-Chee Update - Red Border #U45

Artemi Panarin

1995-96 Pinnacle - Masks #3

Jim Carey

2015-16 Upper Deck - UD Canvas #C260

Program of Excellence - Max Domi

2015-16 Upper Deck - One Timers #1T-PS1

Achievement - P.K. Subban

1988-89 Fleer Super Star Sticker - [Base] #7

Michael Jordan

2013-14 Panini Select - Signatures #34

B.J. Armstrong

2004-05 Ultimate Collection - [Base] #46

Magic Johnson /750

2014-15 SP Authentic - Sign of the Times #SOT-JM

James Michael McAdoo

2013-14 Panini Innovation - Main Exhibit Signatures Rookies #37

Steven Adams /199

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.