• 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

1992 Bowman - [Base] #461

Mike Piazza [ENCASED]

2006 Topps Heritage - [Base] #1

David Ortiz

2002 Upper Deck Sweet Spot Classics - Game-Used Jerseys #J-RS

Ryne Sandberg

2011 Topps Finest - [Base] - Refractor Rookie Autographed Dual Relics [Autographed] #83

Zach Britton /499

2012 Topps - Gold World Series Pin Card #GWSP-BM

Bill Mazeroski

1989 Topps Traded - [Base] #83T

Barry Sanders [PSA 9]

1998 Fleer Brilliants - [Base] #120

Peyton Manning

2014 SAGE Hit - Autographs - Gold #A7

Jadeveon Clowney /250

2015 Panini National Treasures - Friends and Foes Quad #FF-FW

Devonta Freeman, Karlos Williams /99

2012 Panini Playbook - [Base] #185

Rookies Booklet Silver - David Wilson /149

2015-16 Upper Deck Ultimate Collection - [Base] - Spectrum Silver Autographed Jersey [Autographed] [Memorabilia] #42

Tier 1 - Johnny Gaudreau /99

2005-06 Upper Deck - UD Game Jersey Series 1 #J-SY

Steve Yzerman

2012-13 SP Authentic - Sign of the Times #SOT-JA

Jake Allen

2005-06 Upper Deck Bee Hive - Signature Scrapbook #SS-ZP

Zach Parise

2012-13 SP Authentic - [Base] #220

Riley Sheahan /999

1983-84 Star - [Base] #39

Nate Archibald

1996-97 Topps - Super Team Sweepstakes #DM

Dallas Mavericks Team

2014-15 Panini Excalibur - Rookie Rampage Duals #7

Joel Embiid /349

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

Julius Randle

2009-10 Crown Royale - [Base] #112

Taj Gibson /599

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.