• 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

2010 Donruss Elite Extra Edition - [Base] - Status Emerald Die-Cut #168

Joc Pederson /25

1997 Pacific Crown Collection Prism - Gate Attractions #GA-20

Ryne Sandberg

2016 Bowman's Best - Best of 2016 Autographs #B16-ARO

Amed Rosario

2013 Bowman Sterling - Prospect Certified Autographs #BSAP-JS

Jorge Soler

2014 Bowman Draft Picks & Prospects - Top Prospects Chrome - Blue Refractor #CTP-81

Christian Arroyo /399

1989 Score Supplemental - [Base] #384S

Bo Jackson [PSA 9]

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

Davante Adams

2015 Topps Chrome - [Base] #150.1

Rookies - Marcus Mariota (Base) [PSA 10]

2004 Topps Total - [Base] #375

Ben Roethlisberger

1995 SP - [Base] #103

Derrick Brooks [PSA 9]

2016-17 Upper Deck - UD Canvas #C226

Young Guns - Zach Werenski

2016-17 Upper Deck - [Base] #201

Young Guns - Auston Matthews [BGS 9.5]

2016-17 Upper Deck - O-Pee-Chee Update - Rainbow Foil #684

Marquee Rookies - Jimmy Vesey

2016-17 Upper Deck SP Game Used - Rookie Sweaters #RS-PL

Patrik Laine /499

2015-16 Upper Deck - [Base] #228

Young Guns - Dylan Larkin

1999-00 Skybox E-X - E-Xciting #2XCT

Vince Carter

1990-91 Fleer - [Base] #26

Michael Jordan [BGS 9.5]

2016-17 Panini Donruss Optic - [Base] #151

Ben Simmons

1993-94 Upper Deck Special Edition - Die-Cut All-Stars #W2

Jamal Mashburn

2013-14 Panini Prizm - Autographs #26

Kelly Olynyk

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.