• 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.

Buy Cards

$3.00 Flat Rate Shipping

Buy now, ship later! Purchase over time from many sellers & ship once for $3.00!

9 Million Cards Under One Roof

We house millions of sports cards from thousands of sellers and provide industry renowned customer service!

No Stock Images

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

1961 Topps #570

Nellie Fox

2011 Bowman Draft Picks & Prospects Chrome #101

Mike Trout [BGS 9.5]

1968 Topps #528

Detroit Tigers Team

2009 Donruss Elite Extra Edition Turn of the Century Signatures #33

Brandon Belt /610

1967 Topps #98

Joe Namath

2005 Leaf Rookies & Stars Longevity #201

Aaron Rodgers /599

2005 SPx Rookie Swatch Supremacy #RS-AR

Aaron Rodgers

2011 Playoff Contenders #231

DeMarco Murray

2003-04 Upper Deck #204

Patrice Bergeron

1984-85 O-Pee-Chee #67

Steve Yzerman

2005-06 Upper Deck #443

Alexander Ovechkin

1984-85 O-Pee-Chee #67

Steve Yzerman

1986-87 Topps #53

Patrick Roy

2008-09 Topps Chrome #181

Derrick Rose

2008-09 Skybox #201

Derrick Rose

2008-09 Bowman Draft Picks & Stars Chrome #111

Derrick Rose

2003-04 Bowman #123

Lebron James

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.