• 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!

15 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

2002 Donruss - Diamond Kings Inserts #DK-8

Vladimir Guerrero /2500

2003 SP Authentic - [Base] #91

Derek Jeter /2500

1968 Topps - [Base] #45

Tom Seaver

2013 Topps Allen & Ginter's - People on Bicycles Minis #POB-BR

Brief Respite

2012 Bowman Draft Picks & Prospects - Chrome Draft Picks Certified Autographs #BCA-MZ

Mike Zunino

2016 Panini Prizm Collegiate Draft Picks - [Base] - Prizms Autographs [Autographed] #178

Draft Picks - DeAndre Washington

2012 Fleer Retro - 1997-98 Fleer Metal - Red Precious Metal Gems #M-35

Aaron Rodgers /100

2014 Panini Spectra - [Base] #208

Rookie Jersey Autographs - Paul Richardson /149

2016-17 Panini Instant NFL - [Base] #524

Ricardo Mathews /112

1985 Topps USFL - [Base] #65

Steve Young

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

Sidney Crosby

2015-16 Upper Deck - A Piece of History 1000 Point Club #PC-SL

Steve Larmer

2014-15 O-Pee-Chee Platinum - [Base] - Rainbow #194

Johnny Gaudreau

2012-13 Upper Deck - [Base] #237

Chris Kreider

1997-98 Pacific Dynagon - Tandems #19

Wayne Gretzky, Mark Messier, Brian Leetch

2008-09 Topps Treasury - Rookie Refractor Autographs #127

Eric Gordon

2012-13 Panini Prizm - [Base] #203

Klay Thompson

2015-16 Panini Luxe - Rookie Jerseys #15

Nikola Jokic /99

1970-71 Topps - [Base] #112

John Havlicek

2014-15 Panini Threads - Freshman Pairs #8

Andrew Wiggins, Zach LaVine /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.