• 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

1995 Leaf Limited - Lumberjacks #2

Barry Bonds /5000

2014 Bowman Sterling - Prospect Autographs - Refractor #BSPA-TG

Tyler Glasnow /150

2014 Bowman Sterling - Prospect Autographs #BSPA-TG

Tyler Glasnow

1974 Kellogg's 3-D Super Stars - [Base] #20

Reggie Jackson

2014 Bowman Sterling - Prospect Autographs #BSPA-TG

Tyler Glasnow

2015 Panini Prizm Collegiate Draft Picks - [Base] - Prizms Autographs [Autographed] #158

Brandon Scherff

2009 Topps Mayo - Framed Mini Jersey Relics #MR-PH

Percy Harvin

2014 Bowman Sterling - Jumbo Rookie Patch - Blue Wave Refractor #BSJRP-JL

Jarvis Landry

1970 Topps - [Base] #190

Dick Butkus [Good to VG‑EX]

1967 Philadelphia - [Base] #165

Jackie Smith [Good to VG‑EX]

2015-16 Upper Deck - Code to Greatness #CTG-0

Achievement - Connor McDavid

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

Unautographed - Tier 2 - Jack Eichel /175

2015-16 Upper Deck - [Base] - UD Exclusives #8

Martin Hanzal /100

2016-17 Upper Deck - UD Canvas #C226

Young Guns - Zach Werenski

2016-17 Upper Deck - O-Pee-Chee Update - Rainbow Foil #694

Marquee Rookies - Auston Matthews

1995-96 Upper Deck - Special Edition #SE100

Michael Jordan

2014-15 Panini Prizm - Autographs - Red Pulsar Prizms #57

Gary Payton /149

2011-12 Exquisite Collection - [Base] #61

Alec Burks /199

1996-97 Topps - [Base] #138

Kobe Bryant [BGS 9]

2008-09 Topps Chrome - [Base] #181

Derrick Rose

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.