• 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.

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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

2011 Leaf Valiant #VA-DN1

Daniel Norris

2001 Upper Deck Victory #564

Ichiro Suzuki [PSA 10]

2012 Bowman Draft Picks & Prospects Chrome Prospects Certified Autographs [Autographed] #BCA-JP

James Paxton

2012 Topps Tier One On the Rise Autograph [Autographed] #OR-SP

Salvador Perez /350

2004 Donruss Elite Extra Edition #287

Homer Bailey /1571

1986 Topps #161

Jerry Rice

2000 Playoff Contenders #160

Tony Graziani

2015 Panini Clear Vision Stained Glass #SG-1

Brett Favre

2005 Playoff Contenders #192

Rookie Ticket - Nate Washington

2012 Topps Team Logo Patch #TLP-AP

Andrew Luck

2015-16 Upper Deck GTS Overtime #120

Jack Eichel

2013-14 Score Signatures #SS-TR

Torey Krug

2016-17 Upper Deck MVP Green #207

John Tavares

2015-16 Upper Deck Black Diamond Exquisite Rookies Patch #R-EP

Emile Poirier /299

2013-14 Upper Deck Trilogy Ice Scripts #IS-BM

Brad Marchand

1994-95 Topps Finest #331

Michael Jordan

1993-94 Fleer Ultra Scoring Kings #1

Charles Barkley

2006-07 Upper Deck Exquisite Collection #76

David Noel /225

2008-09 Upper Deck Boston Celtics Dynasty #BOS-13

Gene Conley

2015-16 Panini Totally Certified #168

Rookies - Karl-Anthony Towns

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.