• 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

2011 Bowman - Chrome Rookie Autograph #220

Chris Sale

2015 Topps Museum Collection - Single-Player Signature Swatches Dual Relic Autographs #SSD-BC

Brandon Crawford /299

1972 Topps - [Base] #709

Jim Kaat [Good to VG‑EX]

1969 Glendale Pro Football Stars Stamps - [Base] #HOTW

Howard Twilley

2016 Panini Prizm - Rookie Autograph - Prizm #RA-KDX

Kenneth Dixon

2011 Topps Prime - [Base] - Red #50

Cam Newton /499

1970 Kellogg's 3-D Super Stars - [Base] #41

Larry Csonka

2012 Panini Contenders - [Base] - Rookie Ticket Variation #120

Courtney Upshaw /200

2010-11 Panini Pinnacle - City Lights - Materials #20

Tuukka Rask /499

2015-16 Upper Deck - [Base] - Silver Foil Board #461

Young Guns - Zachary Fucale

2016-17 Upper Deck MVP - 2015-16 All-Star Variations #AS3

Patrick Kane

2001-02 Upper Deck - [Base] #213

Brett Hull

2015-16 Upper Deck Black Diamond - Rookie Team Logo Jumbos #RTL-MD

Max Domi

2014-15 Panini Donruss - Gamers Jerseys #37

John Wall

2011-12 Limited - Draft Pick Redemptions Autographs #21

Isaiah Thomas

1992-93 NBA Hoops - [Base] #NoN

1992 Summer Olympics (Barcelona, Spain)

2015-16 Panini Luxe - Memorabilia Die-Cuts - Red #81

Devin Booker /99

2009-10 Bowman '48 - [Base] #104

James Harden /2009

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.