• 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

2011 Bowman - Chrome Prospects #BCP111

Bryce Harper

1990 Leaf - [Base] #300

Frank Thomas [PSA 9]

1961 Topps - [Base] #517

Willie McCovey

2004 Bowman Sterling - [Base] #BS-MB

Matt Bush

2005 Topps Pristine Legends - Title Threads Relics #TT-JK

Jimmy Key

2016 Panini Prestige - [Base] #206

Rookies - Dak Prescott

2012 Topps - NFL Captain's Patch #NCP-JF

Josh Freeman

1965 Topps - [Base] #45

Odell Barry [Good to VG‑EX]

1997 Skybox Premium - Autographics #ROJO

Rob Johnson

2014-15 Upper Deck - O-Pee-Chee Update #U22

Shayne Gostisbehere

1997-98 Upper Deck Collector's Choice - Starquest #SQ67

Steve Yzerman

2007-08 Upper Deck Rookie Class - Box Set [Base] #3

Patrick Kane

2013-14 Upper Deck Black Diamond - Double Diamond Jerseys #EDM-DD

Devan Dubnyk

2016-17 Upper Deck - UD Game Jersey #GJ-SC

Sidney Crosby

2003-04 Fleer Ultra - Autograph - [Autographed] #N/A

Leandro Barbosa /350

2013-14 Upper Deck Exquisite Collection - [Base] #58

Allen Crabbe /199

2008-09 Upper Deck Lineage - SE #205

Kevin Love

2007-08 Upper Deck First Edition - Kevin Durant Exclusive #KD1

Kevin Durant

1988-89 Fleer - [Base] #120

Michael Jordan

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.