• 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!

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

1967 Topps - [Base] #480

Willie McCovey

1959 Topps - [Base] #525

Jim Coates [Good to VG‑EX]

1985 Topps - [Base] #401

Mark McGwire [PSA 8]

1963-67 Sport Hobbyist Famous Card Series - [Base] #8

Lou Criger (S-74 Silks)

2017 Bowman - Chrome Prospects - Mega Box Refractor #BCP100

Kevin Maitan

2016 Score - [Base] - Jumbo Gold Zone #229

Derek Carr /99

2008 Topps - [Base] #241

James Harrison

2014 Panini Black Gold - Golden Opportunity Dual Jerseys #GO-DEN

Demaryius Thomas, Cody Latimer /149

2004 SP Authentic - [Base] #194

Michael Jenkins /799

2015 Panini Crown Royale - [Base] #131

Rookies - Trevor Siemian

2016-17 Upper Deck - O-Pee-Chee Update - Rainbow Foil #675

Marquee Rookies - Jake Guentzel

2016-17 SPx - Double XL Duos Materials #XD-KH

Evgeny Kuznetsov, Braden Holtby /99

2016-17 SPx - Rookies - Red Jersey [Memorabilia] #R-WN

William Nylander /235

2014-15 Upper Deck - Shining Stars - Royal Blue #SS-45

Wayne Gretzky

2011-12 Score - [Base] #551

Ryan Nugent-Hopkins

2015-16 Panini Select - [Base] #268

Courtside - Karl-Anthony Towns

1998-99 Upper Deck UD Choice - Starquest - Red #SQ30

Michael Jordan

2015-16 Panini Black Gold - Rookie Jersey Autographs #4

Emmanuel Mudiay /199

2013-14 Panini National Treasures - Material Treasures Signatures #MT-IS

Iman Shumpert /99

2009-10 Bowman '48 - [Base] - Blue #104

James Harden /1948

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.