• 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

1965 Topps - [Base] #236

Denny McLain [Good to VG‑EX]

1996 Leaf Signature Series - Autographs - Bronze #SCBR

Scott Brosius

2017 Topps - MLB Spring Training Logo Patch #MLBST-CK

Clayton Kershaw

2007 USA Baseball - National Signature - Black Ink #A-18

Jake Arrieta /595

2016 Bowman's Best - Top Prospects - Atomic Refractor #TP-20

Clint Frazier

2016 Panini Rookies & Stars - [Base] #179

Rookies One Star - Dak Prescott

2013 Upper Deck University of Notre Dame - Autographs #44

Frank Stams

1969 Topps - [Base] #210

Dave Edwards

2016 Panini Contenders Draft Picks - [Base] #223

College Ticket - Jalin Marshall

2008 Donruss Threads - [Base] #273

Steve Slaton /120

2014-15 Upper Deck Trilogy - Signature Pucks - Primary Logo #SP-TY

Tyler Toffoli

2016-17 SPx - [Base] - Blue Autographs [Autographed] #64

Shadow Box Rookies - Dylan Strome /199

2016-17 Upper Deck - [Base] - Exclusives #43

Marian Hossa /100

2013-14 Totally Certified - Certified Competitors Dual Jerseys - Red #CC-KR

Patrick Kane, Tuukka Rask

2016-17 Upper Deck MVP - [Base] - Colors & Contours #300

Level 3 Purple - Connor McDavid

2014-15 Panini Donruss - The Rookies - Swirlorama #1

Andrew Wiggins

2015-16 Panini NBA Hoops - End 2 End #2

Stephen Curry

2016-17 Panini Donruss Optic - Rookie Kings #2

Ben Simmons

2014-15 Panini Prestige - Mystery Rookies #27

Jordan Clarkson

1986-87 Fleer - [Base] #12

Manute Bol

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.