• 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.

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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

1964 Topps - [Base] #415

Tony Kubek [Good to VG‑EX]

2016 Topps Chrome - [Base] - Green Refractor #161

Mookie Betts /99

2013 Topps - [Base] - Factory Set Rookie Variation #270

Manny Machado

1984 Topps Nestle Dream Team - Food Issue [Base] #4

Cal Ripken Jr.

2004 Upper Deck - UD Rookie Prospects #RP-BR

Ben Roethlisberger

2015 Topps Chrome - Autographs #142

Rookies - Jeremy Langford

2004 Upper Deck NFL Players Rookie Premiere - [Base] - Gold #1

Eli Manning

1988 Topps - [Base] #327

Bo Jackson [PSA 8]

1985 Topps - [Base] #314

Dan Marino [PSA 7]

2014 In the Game Draft Prospects - [Base] #71

Connor McDavid

2013-14 Upper Deck - Rookie Materials #RM-NM

Nathan MacKinnon

2010-11 SP Authentic - [Base] #250

Nazem Kadri /999

2015-16 Upper Deck - Code to Greatness #CTG-0

Achievement - Connor McDavid

2003-04 Upper Deck Trilogy - [Base] #105

Henrik Zetterberg

2014-15 Panini Totally Certified - Clear Cloth Jersey - Red #7

Kyrie Irving /299

2000-01 SP Game Floor Edition - Authentic Floor #SO

Shaquille O'Neal

1996-97 Upper Deck - Rookie of the Year Commemorative Collection #RC3

Jason Kidd

2015-16 Panini Limited - Unlimited Potential Materials #16

D'Angelo Russell /149

2003-04 Upper Deck Ultimate Collection - Game Jersey Patch #QR-P

Quentin Richardson /100

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.