• 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!

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

2007 Bowman's Best - [Base] #90

Troy Tulowitzki

2017 Bowman - Chrome ROY Favorites #ROYF-9

Aaron Judge

2013 Bowman Sterling - Rookie Certified Autographs #BSAR-CM

Carlos Martinez

1996 SP - Baseball Heroes #84

Barry Bonds

2000 Pacific Omega - EO Portraits #16

Mark McGwire

1984 Topps - [Base] #123

Dan Marino [PSA 7]

2015 Panini Contenders - [Base] #279

Rookie Ticket - Zach Zenner

1982 Topps - [Base] #434

Lawrence Taylor

2012 Score - [Base] #304.1

Andrew Luck [PSA 10]

2011 Panini Rookies & Stars Longevity - [Base] - Rookie Signature #204

Justin Houston /175

2005-06 Upper Deck Victory - [Base] #285

Sidney Crosby

1985-86 Topps - [Base] #9

Mario Lemieux [PSA 8]

2002-03 In the Game Be A Player Signature Series - [Base] - Signatures [Autographed] #077

Shane Doan

2015-16 Upper Deck - [Base] #201

Young Guns - Connor McDavid

2009-10 Upper Deck Trilogy - Super Star Scripts #SS-PK

Phil Kessel

2013-14 Panini Innovation - Top-Notch Autographs #94

John Starks /325

1994-95 Topps Finest - Rack Pack #RP1

Grant Hill

2014-15 Panini Totally Certified - Jerseys - Red #52

Kyrie Irving /249

1996-97 Skybox Premium - [Base] #16

Michael Jordan [PSA 10]

2015-16 Panini Prizm - [Base] - Light Blue Prizm #349

Rookies - Willie Cauley-Stein /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.