• 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

2013 Bowman Sterling - Rookie Certified Autographs #BSAR-MW

Michael Wacha

2008 Sweet Spot - USA Signatures - Ball Red Stitching Black Ink #USA-TL

Tyler Lyons /215

2011 Bowman Sterling - MLB Future Stars Autographs #BSP-KW

Kolten Wong

2013 Bowman Inception - Autographed Relics #AR-NC

Nick Castellanos

1954 Topps - [Base] #41

Willie Jones

2010 Topps Finest - Finest Moments - Autograph [Autographed] #FMA-JF

Joe Flacco

2014 Topps Chrome Mini - [Base] - Rookie Autographs [Autographed] #222

James White

2016 Donruss - [Base] #368

Rated Rookies - Ezekiel Elliott

1989 Score - [Base] #257

Barry Sanders [PSA 8]

2013 Panini Contenders - [Base] #240

Zach Ertz

2015-16 Upper Deck - UD Canvas #C211

Young Guns - Connor McDavid [BGS 9.5]

2016-17 Upper Deck - UD Canvas #C114

Young Guns - Miles Wood

2015-16 Upper Deck Ultimate Collection - 2005-06 Ultimate Rookies - Autos [Autographed] #05-FV

Tier 1 - Frank Vatrano /275

1997-98 Upper Deck Collector's Choice - [Base] #282

National Heroes - Geraldine Heaney

2015-16 Upper Deck - UD Game Jersey Series 1 #GJ-CP

Carey Price

2015-16 Panini Revolution - Icons Die-Cuts #1

Larry Bird

2013-14 Totally Certified - Signatures - Totally Silver #243

Justin Holiday

2014-15 Panini Prestige - Mystery Rookies #13

Julius Randle

1998-99 SP Authentic - [Base] #97

Jason Williams /3500

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.