• 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!

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

1999 Team Best - Autographs #LABE

Lance Berkman

2015 Topps Strata - Autographs #SA-JP

Joc Pederson

1971 Topps - [Base] #513

Nolan Ryan [Good to VG‑EX]

2015 Leaf Trinity - Patch Autographs - Bronze #PA-RD1

Rafael Devers

1974 Kellogg's 3-D Super Stars - [Base] #20

Reggie Jackson

2007 Topps Chrome - [Base] #TC200

Calvin Johnson

1995 Collector's Edge - Time Warp - Black Label 22K Gold #19

Jack Youngblood, Steve Young

2016 Panini Prizm - Rookie Introductions - Prizm #22

Dak Prescott

1984 Topps - [Base] #63

John Elway

1998 Topps Finest - [Base] #121

Peyton Manning

2015-16 Upper Deck - [Base] #451

Young Guns - Jack Eichel

2011-12 Upper Deck - [Base] - Canvas #C110

Matt Read

1978-79 O-Pee-Chee - [Base] #300

Bobby Orr [Poor to Fair]

2015-16 Upper Deck Ice - Exquisite Rookie Signatures #ERS-JD

Joonas Donskoi /399

2011-12 Ultimate Collection - Ultimate Signatures #US-MS

Mark Scheifele

1993-94 Fleer Ultra - NBA All-Defense Team #9

David Robinson

2013-14 Panini Crusade - Crusade - Red #1

C.J. McCollum /349

2010-11 Panini Gold Standard - Gold Rings #4

Dwyane Wade /299

1999-00 Upper Deck HoloGrFX - Maximum Jordan #MJ2

Michael Jordan

1998-99 Topps - Season's Best #SB6

Michael Jordan

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.