• 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

1956 Topps - [Base] #273

Walker Cooper

1973 Topps - [Base] #50

Roberto Clemente

1977 Topps Baseball Patches Cloth Stickers - [Base] #40

Nolan Ryan

1983 Fleer - [Base] #360

Tony Gwynn

2017 Panini Elite Draft Picks - [Base] #112

Draft Picks - Mitchell Trubisky

1977 Topps - [Base] #360

Walter Payton [Good to VG‑EX]

2012 Topps Platinum - [Base] - Retail Orange Refractor #138

Russell Wilson

2015 Panini Clear Vision - Clear History Dual Jerseys #CH-DE

De'Anthony Thomas /99

2015 Panini Prizm - Hall of Fame #HOF-DM

Dan Marino

2016-17 Upper Deck - [Base] #451

Young Guns - Patrik Laine

2016-17 Upper Deck - UD Canvas #C243

Retired Stars - Mario Lemieux

2012-13 SP Authentic - [Base] #232

Jaden Schwartz /999

2015-16 Upper Deck Contours - Rookie Resume Gold Rainbow Autographs #RR-31

Andreas Athanasiou

2014-15 Upper Deck Ultimate Collection - [Base] #98

Autographed Rookies - Trevor van Riemsdyk /299

1988-89 Fleer - [Base] #120

Michael Jordan

2005-06 Topps Chrome - Chosen One #CO-AI

Allen Iverson /400

1986 Star Best of the Best - [Base] #14

Dominique Wilkins

2016-17 Panini Donruss - The Champ is Here #2

Stephen Curry

1986-87 Fleer - Stickers #10

Isiah Thomas

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.