• 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!

15 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

2016 Bowman Chrome - Prospects Autographs - Refractor #BCAP-STR

Sam Travis /499

2015 Bowman Draft - Chrome Draft Pick Autographs #BCA-KHA

Ke'Bryan Hayes

2007 UD Masterpieces - Captured on Canvas #CC-MR

Mariano Rivera

2012 SP Signature Edition - Triple Signatures #SEA14

Nick Franklin, Michael Saunders, Justin Smoak

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

Dan Vogelbach

2012 Topps - Prolific Playmakers Autographs - [Autographed] #PPA-SR

Sidney Rice

2012 Panini Prizm - [Base] #230

Russell Wilson

2014 Topps Chrome - [Base] #173.2

Teddy Bridgewater (Ball at Chest)

1998 Skybox Premium - Autographics - Black #TRBR

Troy Brown

2015 Panini Crown Royale - [Base] #131

Rookies - Trevor Siemian

2013-14 SP Authentic - [Base] #307

Danny DeKeyser /999

2016-17 SPx - [Base] - Blue Autographs [Autographed] #59

Shadow Box Rookies - Connor Brown /199

2016-17 SPx - [Base] - Red Material [Memorabilia] #67

Shadow Box Rookies - Matthew Tkachuk /149

2016-17 Upper Deck - [Base] #201

Young Guns - Auston Matthews

1997-98 Pacific Dynagon - Tandems #19

Wayne Gretzky, Mark Messier, Brian Leetch

2012-13 Elite - Turn of the Century Die-Cut Autographs #2

Muggsy Bogues /199

1983 Star NBA All-Star Game - [Base] #29

Boston Bombers (East Box Score)

2013-14 Panini Innovation - Rookie Jumbo Jerseys #16

Giannis Antetokounmpo /199

1997-98 Topps Stadium Club - Hardcourt Heroics #H1

Michael Jordan

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.