• 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!

12 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

2012 Topps Chrome #196.1

Bryce Harper (Batting)

2011 Topps Chrome Rookie Autographs [Autographed] #197

Julio Teheran

2011 Bowman Chrome USA 18U National Team Refractor #18U - 2

Alex Bregman /617

1994 Upper Deck SP #15

Alex Rodriguez [BGS 8]

2013 Topps Archives Fan Favorites Autographs [Autographed] #FFA-MWI

Matt Williams

2015 Upper Deck Inscriptions #BJ

Byron Jones

1981 Topps #216

Joe Montana [PSA 6]

1984 Topps #266

Lynn Dickey

2015 Topps Platinum Autographed Rookie Patches #ARP-KWM

Karlos Williams

1989 Score #270

Troy Aikman

2012-13 SP Authentic #232

Jaden Schwartz /999

2005-Present Bossa Autographed Postcards #GOHO

Gordie Howe

2015-16 Upper Deck UD Canvas #C214

Young Guns - Zachary Fucale

2015-16 Upper Deck O-Pee-Chee Update Retro #U11

Connor McDavid

2015-16 Upper Deck UD Canvas #C256

Program of Excellence - Charles Hudon

2014-15 Panini National Treasures Timelines #T-DR

Derrick Rose /99

2015-16 Panini Prizm Autographs #P-VOL

Victor Oladipo

2015-16 Panini Court Kings Box Topper 5x7 Autographs #BT-JG

Jerian Grant

1991-92 Panini Album Stickers #190

Michael Jordan

2015-16 Panini National Treasures Super Swatches Rookies #8

Karl-Anthony Towns /99

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.