• 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

2015 Topps Heritage '51 - [Base] - Mini Blue Back #25

Kris Bryant

2011 Donruss Elite Extra Edition - Autographed Prospects #P-11

Joe Panik /572

1967 Topps - [Base] #30

Al Kaline

2014 Bowman Draft Picks & Prospects - Chrome Draft Pick Autographs #BCA-MCH

Matt Chapman

1998 Pinnacle Plus - All-Star Epix - Moment Orange #E8

Derek Jeter

1991 Topps Stadium Club - [Base] #94

Brett Favre

2016 Leaf Draft - Retail Autographs #A-AM1

Alex McCalister

1998 Metal Universe - [Base] #189

Peyton Manning

1989 Score - [Base] #270

Troy Aikman

2014 Panini Contenders - [Base] #215.1

Devonta Freeman (running, chest number visible)

2001-02 SP Authentic - [Base] #177

Kristian Huselius /900

2015-16 Upper Deck GTS Overtime - Next in Line #NL-30

Connor McDavid

2015-16 Upper Deck Ultimate Collection - [Base] - Silver Jersey [Memorabilia] #109

Ultimate Rookies - Connor McDavid /149

1996-97 Pinnacle Be A Player - Link 2 History - Autograph [Autographed] #LTH-2B

Peter Forsberg

2016-17 Upper Deck - [Base] #249

Young Guns - William Nylander

1997-98 Upper Deck - High Dimensions #HD9

Dennis Rodman /2000

2014-15 Panini Prizm - Short Prints - Prizms #31

Andrew Wiggins

1988-89 Fleer - [Base] #20

Scottie Pippen [PSA 8]

2014-15 Panini Prestige - Bonus Shots Autographs - Premium #91

Dennis Schroder /199

1970-71 Topps - [Base] #171

1969-70 NBA Championship (Game 4)

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.