• 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

1961 Nu-Cards Baseball Scoops - [Base] #476

Dizzy Dean

1984 Donruss - [Base] #248

Don Mattingly

2017 Topps Baseball Continuity Program Chrome 1987 Design Refractor - [Base] #87-AJ

Aaron Judge

1997 Topps Screen Plays - [Base] #DEJE

Derek Jeter

2016 Topps Heritage High Number - [Base] #707.2

Trevor Story (Action)

1988 Kenner Starting Lineup Cards - Toys [Base] #MAGA

Mark Gastineau

2014 Panini Contenders - Rookie Ink #8

Zach Martin

2013 SP Authentic - Rookie Threads Autograph Jerseys #RT-KA

Keenan Allen /275

2011 Panini Prestige - Stars of the NFL - Materials [Memorabilia] #13

Clay Matthews /250

2015 Panini National Treasures - National History Booklets #NHB-JL

Jarvis Landry /49

2016-17 Upper Deck - UD Game Jersey #GJ-CM

Connor McDavid

2015-16 Upper Deck Fleer Showcase - Metal Universe #MU-1

Connor McDavid

2002-03 SP Game Used - Signature Style #SS-NK

Nikolai Khabibulin

2013-14 SPx - UD Ice Premieres #79

Anders Lee /499

2013-14 SP Game Used Edition - [Base] - Gold Autographs [Autographed] #108

Boone Jenner

2012-13 Panini Prizm - [Base] #222

Isaiah Thomas

2015-16 Panini Donruss - Studio Series Rookie Jerseys #4

Devin Booker

2009-10 Upper Deck Draft Edition - [Base] #34

Stephen Curry

2013-14 Panini Prizm - [Base] #290

Giannis Antetokounmpo

2002-03 SP Authentic - [Base] #110

Sp Specials - Michael Jordan /2000

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.