• 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!

12 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

2004 Fleer Greats of the Game Autographs #GBA-JM2

Jack Morris

2015 Topps Heritage Minor League Edition Clubhouse Collection Relics #CCR-JU

Julio Urias

2015 Topps First Home Run Medallions #FHRM-JS

Jorge Soler

2012 Bowman Draft Picks & Prospects Chrome Draft Picks Certified Autographs #BCA-TN

Tyler Naquin

2014 Panini Contenders Rookie Ink RPS #RRI-JO

Jordan Matthews

2014 Panini Black Gold #89

Sammy Watkins /199

2014 Topps Prime Rookie Variations Autographs #143

Dri Archer

2015 Topps Field Access Autographs [Autographed] #13

C.J. Mosley

2014 Topps Five Star Autographs #FSA-ARO

Allen Robinson

1997-98 Upper Deck Black Diamond #136

Henrik Sedin

2013-14 Upper Deck #248

Tomas Hertl

2013-14 Upper Deck Rookie Materials #RM-TH

Tomas Hertl

2015-16 Upper Deck GTS Overtime #180

Connor McDavid

2012-13 Panini Rookie Anthology Elite Great Outdoors #GO-27

Carey Price /500

1997-98 Upper Deck Diamond Vision Michael Jordan Highlight Reels #2

Michael Jordan (A Spectacular Move)

1998-99 Fleer Tradition Electrifying #8 E

Stephon Marbury

2010-11 Totally Certified Fabric of the Game Jumbo Materials Team Name #6

Derrick Rose /299

2001-02 Topps Chrome #155

Tony Parker

1999 SP Top Prospects Vital Signs [Autographed] #CH

Chris Herren

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.