• 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

2010 Topps USA Baseball Team - Autographs #A-3

Blake Swihart

2011 Bowman Sterling - MLB Future Stars #24

Trevor Story

1995-05 Danbury Mint 22K Gold - [Base] #30

Babe Ruth [ENCASED]

2016 Topps Archives - Fan Favorites Autographs #FFA-BB

1979 Design - Bob Boone

2011 Playoff Contenders - Winning Combos - Signatures [Autographed] #3

Abel Baker, Tyler Collins /149

1989 Score - [Base] #270

Troy Aikman [PSA 8]

1984 Topps USFL - [Base] #59

Anthony Carter

2014 Topps Inception - [Base] #2

Aaron Rodgers

2015 Panini Rookies & Stars - Rookie Jerseys - Longevity #RJ23

Amari Cooper

2014 Bowman - Rookie Chrome Refractor Autograph - Blue Border #30

Damien Williams /99

1985-86 O-Pee-Chee - [Base] #29

Steve Yzerman

1976-77 O-Pee-Chee WHA - [Base] #52

Dave Keon

2015-16 Upper Deck - [Base] #201

Young Guns - Connor McDavid

2011-12 SPx - Winning Combos #WC-ZF

Henrik Zetterberg, Johan Franzen

2003-04 Upper Deck Trilogy - Script #S3-BY

Mike Bossy

2010-11 Panini Rookies & Stars - [Base] #129

Jeremy Lin

2015-16 Panini Court Kings - Art Nouveau Jerseys #1

Karl-Anthony Towns /299

2002-03 Flair - New Heights #11 NH

Michael Jordan

2016-17 Panini Prizm - [Base] - Purple Prizm #13

Giannis Antetokounmpo /75

2015-16 Panini Clear Vision - [Base] #82.1

Rookies - Karl-Anthony Towns (Base)

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.