• 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

1993 Upper Deck - Season Highlights #HI 7

George Brett

1959 Topps - [Base] #511

George Susce

1984 Donruss - [Base] #248

Don Mattingly

1961 Topps - [Base] #484

Hank Aaron [Good to VG‑EX]

2012 Topps Triple Threads - [Base] - Gold #54

Nolan Ryan /99

2014 Panini Certified - Sky's the Limit - Red #SKY8

Derek Carr /249

2009 Upper Deck Exquisite Collection - [Base] #188

Donald Brown /99

2015 Topps Valor - Shield of Honor Autograph Patches #SHA-JH

Justin Hardy /800

2004 Fleer Tradition - [Base] - Draft Day #352

Larry Fitzgerald /375

2015 Panini Clear Vision - [Base] #40.2

Tom Brady (Blue Jersey)

2013-14 Panini Playbook - [Base] #160

Playbook Rookie Lvl 2 - Jon Merrill /199

2010-11 SP Game Used Edition - Authentic Fabrics #AF-JL

Jamie Langenbrunner

1987-88 O-Pee-Chee - [Base] #205

Marty McSorley

2012-13 In the Game Motown Madness - Autographs #A-RLE

Reggie Leach

2015-16 Upper Deck - UD Canvas #C243

Bobby Hull

2008-09 SPx - Winning Materials Jersey Numbers #WMJ-CP

Chris Paul

1989-90 Fleer - [Base] #21

Michael Jordan [PSA 9]

1997-98 Bowman's Best - Mirror Image #MI4

Keith Van Horn, Scottie Pippen, Kobe Bryant, Cedric Ceballos

2009-10 Panini Season Update - Rookies & Stars Update Rookie NBA Team Patch Signatures #167

Wes Matthews /499

2012-13 Panini Marquee - Election Night Autographs #24

Bailey Howell /199

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.