• 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

1970 Topps - [Base] #634

Bud Harrelson [Good to VG‑EX]

1999 Pacific Omega - Debut Duos #7

Juan Gonzalez, Ken Griffey Jr.

2016 Bowman Chrome - Prospects Autographs #CPA-HB

Harrison Bader

2002 Upper Deck Diamond Connection - [Base] #244

Juan Gonzalez /775

2013 Bowman Sterling - Prospect Certified Autographs #BSAP-YV

Yordano Ventura

1989 Score - [Base] #270

Troy Aikman

2005 Score - [Base] #352

Aaron Rodgers

2015 Topps Diamond - Rookie Autograph Jumbo Patch #RAJP-JJ

Jesse James /150

2015 Panini Rookies & Stars - Embroidered Patches #EP6

Amari Cooper, Odell Beckham Jr.

2016 SAGE Hit - Autographs - Gold #A71

Malcolm Mitchell /250

2015-16 Upper Deck - [Base] #228

Young Guns - Dylan Larkin

2016-17 Upper Deck - [Base] #201

Young Guns - Auston Matthews

2015-16 Upper Deck - [Base] #201

Young Guns - Connor McDavid

1988-89 Topps - [Base] #66

Brett Hull

2003-04 Upper Deck Rookie Update - [Base] #152

Jiri Hudler, Steve Yzerman /999

1996 Upper Deck USA Basketball Deluxe Gold Edition - American Made Michael Jordan #M3

Michael Jordan

2015-16 Panini Luxe - Memorabilia Die-Cuts - Red #9

Kawhi Leonard /99

1990-91 Fleer - [Base] #26

Michael Jordan [PSA 9]

2005-06 Upper Deck Trilogy - Signs of Stardom - [Autographed] #SS-NR

Nate Robinson

2016-17 Panini Prizm - [Base] - Silver Prizm #23

Denzel Valentine

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.