• 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!

13 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

1963 Topps - [Base] #565

Larry Sherry

1971 Kellogg's 3-D Super Stars - [Base] #48

Larry Dierker

2016 Topps - Scouting Report Autographs #SRA-KSU

Kurt Suzuki

2012 Topps Heritage - Clubhouse Collection Relic #CCR-MC

Miguel Cabrera

2013 Topps Finest - Autograph Rookie Refractor - X-Fractor #RA-DG

Didi Gregorius /149

2016 Panini Origins - Rookie Jumbo Patch Autographs #RJPA-DB

Devontae Booker

2015 Topps Valor - [Base] - Autographs [Autographed] #80

Jay Ajayi /800

1997 Pro Line Gems - Championship Ring #CR1

Brett Favre /1997

2012 Topps Finest - Autographed Jumbo Relic - [Autographed] #AJR-TYH

T.Y. Hilton /1368

2016 Panini Prizm Collegiate Draft Picks - [Base] #105

Draft Picks - Ezekiel Elliott

2016 Upper Deck World Cup of Hockey - [Base] #WCH-27

Auston Matthews

2015-16 Upper Deck - [Base] #451

Young Guns - Jack Eichel

1997-98 Pinnacle - Epix - Purple Play #E3

Joe Sakic

2016-17 Upper Deck - UD Canvas #C99

Young Guns - Brendan Leipsic

2015-16 Upper Deck Ultimate Collection - [Base] #82

Autographed Ultimate Rookies - Tier 1 - Ben Hutton /299

2015-16 Panini Excalibur - Rookie Rampage Jumbo Jersey Autographs #RR-JAN

Justin Anderson

2013-14 Panini Crusade - Quest Memorabilia #61

Shaquille O'Neal /99

1976-77 Topps - [Base] #110

David Thompson

1997-98 Fleer Ultra - Star Power #1 SP

Michael Jordan

1998-99 Skybox Premium - Autographics #BOWE

Bonzi Wells

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.