• 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

1954 Topps - [Base] #88

Matt Batts [Good to VG‑EX]

2013 Panini Prizm Perennial Draft Picks - [Base] - Prizms #39

Matt Duffy

1969 Topps - [Base] #480

Tom Seaver [Good to VG‑EX]

2016 Bowman Chrome - Prospects Autographs #BCAP-AG

Austin Gomber

2016 Panini Contenders Draft Picks - [Base] #115.1

College Ticket - Alex Collins (Base)

2016 Panini Contenders Draft Picks - [Base] #177

College Ticket - Emmanuel Ogbah

2015 Panini Immaculate Collection - Immaculate Trios Jerseys #ITJ-TEN

David Cobb, Dorial Green-Beckham, Marcus Mariota /49

2014 Topps Valor - Shield of Honor Patch Autograph #SOH-MB

Martavis Bryant

2015 Topps Finest - [Base] - Red Refractor #128

Dante Fowler Jr. /99

1999-00 Upper Deck Gretzky Performance for the Record McDonald's - Checklists #5

Wayne Gretzky

2016-17 Upper Deck - [Base] #214

Young Guns - Ivan Provorov

2015-16 Upper Deck Ultimate Collection - [Base] #61

Autographed Ultimate Rookies - Tier 1 - Frank Vatrano /299

2015-16 Upper Deck Ultimate Collection - Debut Threads #DT-DL

Dylan Larkin /149

2015-16 Upper Deck Ultimate Collection - [Base] #65

Autographed Ultimate Rookies - Tier 1 - Mattias Janmark /299

2015-16 Panini NBA Hoops - Hot Signatures #HS-TL

Trey Lyles

1996-97 EX2000 - [Base] #9

Michael Jordan

1997-98 Topps Finest - [Base] - Refractor #49

Reggie Miller

2016-17 Panini Prizm - [Base] #1

Ben Simmons

2013-14 Panini Titanium - Enshrinement Ink #7

Bailey Howell /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.