• 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 Topps Chrome Traded & Rookies - [Base] #T74

Rickey Henderson

2017 Topps Heritage - [Base] - Chrome Rookie Stars #76

Rio Ruiz, Dansby Swanson /999

2014 Bowman Sterling - Prospect Autographs #BSPA-JC

J.P. Crawford

1961 Topps - [Base] #538

Chuck Hiller

2012 Panini Cooperstown - Cooperstown Signatures #FFA-VAN

Dave Van Horne /500

2016 Upper Deck USA Football - Future Swatch Auto Premium Series USA U19 #FS-TU

Trey Udoffia /50

1998 Skybox Thunder - Starburst #6 SB

Peyton Manning

1996 Bowman's Best - Bets - Atomic Refractor #BB7

Marvin Harrison

2014 Bowman Sterling - Autographs #BSA-JW

Rookie Autograph - James White

2016-17 SPx - [Base] - Blue Autographs [Autographed] #61

Shadow Box Rookies - Oliver Bjorkstrand /199

2014-15 Upper Deck - [Base] #206

Sam Reinhart

1998-99 SPx Top Prospects - Premier Stars #PS 21

Patrick Roy

2012-13 In the Game Between the Pipes - Game-Used Jersey - Silver #M-46

Matt Murray /140

2015-16 Upper Deck - UD Canvas #C257

Program of Excellence - Sam Bennett

2015-16 Panini NBA Hoops - Team Leaders - Artist Proof Holo #1

Andrew Wiggins /99

2015-16 Panini Black Gold - Rookie Jersey Autographs #4

Emmanuel Mudiay /199

1998-99 Metal Universe - Planet Metal #9 PM

Stephon Marbury

2000-01 Topps Stadium Club - Beam Team #BT14

Gary Payton /500

2016-17 Panini Revolution - [Base] #143

Rookies - Ben Simmons

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.