• 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!

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 - Refractor #BSRA-CB

Cam Bedrosian /150

1961 Nu-Cards Baseball Scoops - [Base] #428

Jackie Robinson

2013 Panini USA Baseball Champions - Stars & Stripes Signatures #MLR

Lance McCullers /238

2015 Topps - First Pitch #FP-04

Eddie Vedder

1999 Barry Halper Collection of Baseball Memorabilia Sotheby's - [Base] #12

Mickey Mantle, Roger Maris

1998 Upper Deck UD Choice - [Base] #256

Peyton Manning

2016 Leaf Metal Draft - [Base] #BA-DFB

DeForest Buckner

2002 Playoff Piece of the Game - Materials #POG-31

John Elway

2015 Topps High Tek - [Base] - Pattern 1 Grass/Waves Confetti Diffractor #20

Peyton Manning /99

2000 Playoff Absolute - Canton Absolutes #CA 18

Deion Sanders

2016-17 Upper Deck - UD Canvas #C120

Young Guns - Mitch Marner, Patrik Laine

2005-06 Ultimate Collection - [Base] #54

Martin Brodeur /599

2014-15 Upper Deck Artifacts - [Base] - Ruby #125

Teuvo Teravainen /499

2011-12 Pinnacle - Fans of the Game - Autographs [Autographed] #4

Jeff Carlson

2007-08 Upper Deck MVP - [Base] #355

Patrick Kane

1993-94 Topps Finest - [Base] - Refractor #125

Charles Barkley

2011-12 Fleer Retro - 1999-00 Autographics Design Autographs #99AU-RM

Rick Majerus

2015-16 Panini Select - [Base] - Blue Prizms #128

Premier Level Die-Cut - Nikola Jokic /199

2004-05 Upper Deck - Flight Team #FT33

Michael Jordan

1988-89 Fleer - [Base] #120

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.