• 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!

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

1970 Kellogg's 3-D Super Stars - [Base] #44

Lou Brock

2014 Bowman Sterling - Prospect Autographs - Refractor #BSPA-TG

Tyler Glasnow /150

2012 Topps Finest - Autographed Jumbo Relic Rookies - X-Fractor #AJR-ZC

Zack Cozart /299

1957 Topps - [Base] #24

Bill Mazeroski [Poor to Fair]

2015 Topps - First Home Run Medallions #FHRM-BRU

Babe Ruth

2014 Panini Prestige - Rookie Jumbo Jerseys - Patches Prime #TB

Teddy Bridgewater

1998 Score - Epix - Orange #E20

John Elway

2015 Upper Deck - Rookie Lettermen Signatures #RL-HE

Jeff Heuerman /75

1997 Upper Deck NFL Legends - Autographs #AL-169

Dwight Stephenson

2014 Panini Prizm - Dirty Laundry #DL-KM

Khalil Mack

2015-16 Upper Deck - [Base] #228

Young Guns - Dylan Larkin

2013-14 SP Authentic - [Base] #238

Martin Jones /1299

2015-16 Upper Deck - [Base] #451

Young Guns - Jack Eichel

1979-80 O-Pee-Chee - [Base] #185

Bobby Hull

2015-16 SPx - 2005-06 Retro Rookie Fabrics #SPXR-CM

Connor McDavid

2014-15 Upper Deck Lettermen - Rookie Premier Lettermen Autographs #RL-NS

Nik Stauskas /35

2015-16 Panini Totally Certified - Fabric of the Game Rookie Jersey - Red #FRJ-DR

D'Angelo Russell /199

2009-10 Donruss Elite - [Base] #169

Brandon Jennings /499

2012-13 Panini Prizm - [Base] #222

Isaiah Thomas

2008-09 Upper Deck First Edition - Starquest - Green #SQ-5

Kobe Bryant [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.