• 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!

13 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

2001 Donruss - All-Time Diamond Kings #ATDK-1

Willie Mays /2500

2010 Topps - Peak Performance - Certified Autograph [Autographed] #PPA-CY

Chris Young

1967 Topps - [Base] #369

Catfish Hunter

2014 Panini National Treasures - Immortalized #16

Stan Musial /99

1957 Topps - [Base] #295

Joe Collins [Good to VG‑EX]

1964 Philadelphia - [Base] #3

John Mackey [Good to VG‑EX]

2016 Panini Prizm - [Base] - Orange Prizm #212

Rookie - Jordan Howard /299

2016-17 Panini Instant NFL - [Base] #8

Trevor Siemian /62

1970 Topps - [Base] #150

Joe Namath [Good to VG‑EX]

2001 Leaf Rookies & Stars - [Base] #189

Drew Brees

2015-16 Upper Deck - UD Canvas #C91

Young Guns - Jack Eichel [BGS 10]

1997-98 Pinnacle - Epix - Emerald Game #E19

Paul Kariya

2005-06 Upper Deck MVP - Rookie Breakthrough #RB1

Sidney Crosby

2016-17 Upper Deck MVP - 2015-16 All-Star Variations #AS3

Patrick Kane

2016-17 Upper Deck - [Base] #249

Young Guns - William Nylander

2009-10 Upper Deck UD Jordan Legacy - [Base] - Box Set Hall of Fame Edition #98

Michael Jordan

1996-97 Skybox Premium - Autographics - Black Ink [Autographed] #RABR

Randy Brown

2009-10 Upper Deck UD Jordan Legacy - [Base] - Box Set Hall of Fame Edition #98

Michael Jordan

2016-17 Panini Contenders Draft Picks - [Base] #172

College Ticket - Sheldon McClellan

2014-15 Panini National Treasures - [Base] #174

Rookie College Autographs - James Michael McAdoo /99

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.