• 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

1952 Topps - [Base] #164

Walt Dubiel [Good to VG‑EX]

2015 Topps Finest - Autographs - Blue Refractor #FA-JDN

Josh Donaldson /150

2002 Upper Deck Ultimate Collection - [Base] #42

Mickey Mantle /799

2013 Topps Museum Collection - Archival Autographs #AA-SM

Starling Marte /399

1960 Topps - [Base] #544

Bill Monbouquette

2001 SP Authentic - Sign of the Times #VT

Vinny Testaverde

1976 Topps - [Base] #148

Walter Payton [Poor to Fair]

2015 Panini Prizm - Hall of Fame #HOF-DM

Dan Marino

2001 SAGE - Autographs - Silver #A49

Reggie Wayne /400

2011 Topps Platinum - Rookie Refractor Autographs #37

Justin Houston /1450

2011-12 In the Game Enforcers - Autographs #A-DSC

Dave Schultz

2007-08 Upper Deck Be a Player - Signatures - [Autographed] #S-PK

Patrick Kane

2006-07 Upper Deck Black Diamond - [Base] #202

Phil Kessel

2016-17 Upper Deck SP Game Used - Rookie Sweaters #RS-MM

Mitch Marner /499

2000-01 Upper Deck Prospects CHL - Autographs #A-JS

Jason Spezza

2015-16 Panini NBA Hoops - Road to the Finals #58

Second Round - LeBron James /999

1969-70 Topps - [Base] #2

Gail Goodrich [Good to VG‑EX]

1980-81 Topps - [Base] #MJLBJS

Marques Johnson, Larry Bird, Jack Sikma

2014-15 Panini Totally Certified - Clear Cloth Jersey - Blue #91

Andrew Wiggins /199

2013-14 Panini Prizm - [Base] #290

Giannis Antetokounmpo [PSA 10]

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.