• 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

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

1975 Topps Minis - [Base] #65

Don Gullett

1987 Topps Traded - [Base] #70T

Greg Maddux [PSA 9]

1996 Leaf Signature Series - [Base] - Gold Press Proof #107

Mariano Rivera

1998 Pinnacle Inside - Behind The Numbers #2

Cal Ripken Jr.

1980 Topps - [Base] #482

Rickey Henderson

1989 Score - [Base] #257

Barry Sanders [PSA 8]

1975 Topps - [Base] #416

Joe Theismann [Good to VG‑EX]

2006 Bowman Chrome - [Base] #223

Reggie Bush [PSA 10]

1989 Topps Traded - [Base] #83T

Barry Sanders [PSA 9]

2002-03 In the Game Be A Player Signature Series - [Base] - Signatures [Autographed] #098

Sean Burke

2016-17 Upper Deck - [Base] #249

Young Guns - William Nylander

2015-16 Upper Deck Ice - Exquisite #38

Legends - Wayne Gretzky /499

2013-14 Panini Prime - Prime Duals #D-JR

Jaromir Jagr, Jeremy Roenick /200

2016-17 Upper Deck - [Base] - Silver Foil #250

Young Guns - Auston Matthews, William Nylander

2013-14 Panini Elite - New Breed Materials Signatures #NB-OP

Otto Porter /149

2016-17 Panini Prizm - [Base] - Silver Prizm #17

Malcolm Brogdon

2013-14 Panini Innovation - All Rookies #13

Giannis Antetokounmpo

2013-14 Panini Select - [Base] - Purple Prizms #175

Victor Oladipo /99

1996-97 Topps Finest - [Base] #74

Kobe Bryant [BGS 9]

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.