• 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

1991 Fleer Ultra Update - Factory Set [Base] #U-58

Ivan Rodriguez [PSA 9]

2016 Bowman - [Base] - Purple #143

Rookies - Gary Sanchez /250

2016 Bowman's Best - 1996 Bowman's Best #96BB-DS

Dansby Swanson

2013 Panini Prizm - Autographs #JB

Jay Bruce

2017 Topps Heritage - [Base] - Chrome Variations Purple Refractor #THC-500

Kris Bryant

2004 Press Pass - Autographs - Bronze #NAKA

Nate Kaeding

1971 Kellogg's 3-D - [Base] #13

Larry Brown

2012 Panini Playbook - [Base] #185

Rookies Booklet Silver - David Wilson /149

2014 Score - Helmets #11

Jimmy Garoppolo

2006-07 Upper Deck Be a Player - [Base] - Autographs [Autographed] #202

Phil Kessel

2012-13 Panini Limited - [Base] - Silver #24

Jaromir Jagr /49

2010-11 Upper Deck - UD Game Jersey #GJ2-JT

John Tavares

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

Achievement - Connor McDavid

2016-17 Upper Deck - O-Pee-Chee Update Glossy Rookies #R-10

Patrik Laine

1997-98 Metal Universe Championship Preview - Championship Galaxy #15 CG

Damon Stoudamire

2013-14 Panini Titanium - Draft Day Autographs #7

Rudy Gobert

1970-71 Topps - [Base] #143

Jo Jo White

1986-87 Fleer - [Base] #4

Danny Ainge

2015-16 Panini Excalibur - Crusade - Blue #11

Devin Booker /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.