• 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

2013 Bowman Sterling - Prospect Certified Autographs - Orange Refractors #BSAP-RQ

Roman Quinn /75

2012 Topps - [Base] #661.1

Bryce Harper (Grey Jersey)

2013 Panini Cooperstown Collection - Cooperstown Signatures #HOF-GIL

Pat Gillick /550

2016 Topps Finest - [Base] #58

Corey Seager

2007 Topps Co-Signers - [Base] #120

Josh Hamilton

1967 Philadelphia - [Base] #106

Fran Tarkenton [Good to VG‑EX]

2016 Panini Contenders - [Base] #332

Rookie Ticket RPS - Braxton Miller

1989 Pro Set - [Base] #47

William Perry

2003 Playoff Contenders - [Base] #131

Brian St. Pierre /554

2014 Panini National Treasures - Monsters of the Midway Signatures #MMS-KC

Ka'Deem Carey /99

2015-16 Upper Deck Ultimate Collection - 2005-06 Ultimate Rookies - Autos [Autographed] #05-JV

Tier 2 - Jake Virtanen /175

2012-13 Panini Classics Signatures - [Base] - Autographs [Autographed] #163

Jean Pronovost

2016-17 Upper Deck SP Game Used - Draft Day Marks #DDM-JC

Rookies - Jakob Chychrun /35

2016-17 Upper Deck SP Game Used - [Base] - Red Auto Material [Autographed] [Memorabilia] #169

Authentic Rookies - Thomas Chabot

2014-15 In the Game Heroes and Prospects - Prospect Autographs - Blue #29

Giorgio Estephan /80

2009-10 Adrenalyn XL - [Base] - Ultimate Signature #KOBR

Kobe Bryant

2012-13 Panini Crusade - Quest Memorabilia #63

Draymond Green

2014-15 Panini Prizm - Short Prints - Prizms #31

Andrew Wiggins

2016 Panini Player of the Day - Rookie Materials #6

Devin Booker

2009-10 Panini Studio - Skylines #9

Stephen Curry

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.