• 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

2016 Topps Heritage - [Base] - Chrome Refractor #THC-157

Manny Machado /567

2015 Bowman's Best - Hi-Def Heritage #HDH-KB

Kris Bryant

2010 Bowman Sterling - Prospects - Autographs [Autographed] #BSP-AC

Aroldis Chapman

1998 Pacific Aurora - On Deck Laser-Cuts #16

Ken Griffey Jr.

2001 Upper Deck - [Base] #230

LaDainian Tomlinson

2005 Score - [Base] #352

Aaron Rodgers

2015 Panini Prestige - [Base] - Rookies Signatures [Autographed] #260

Landon Collins

2013 Panini National Treasures - Team Quads #2

Julio Jones, Matt Ryan, Roddy White, Tony Gonzalez /99

1969 Topps - [Base] #25

Johnny Unitas [Good to VG‑EX]

2016-17 Upper Deck SP Game Used - [Base] - Purple #194

Authentic Rookies - Zach Hyman

2016-17 Upper Deck - [Base] #249

Young Guns - William Nylander [BGS 9.5]

2016-17 Upper Deck - [Base] #249

Young Guns - William Nylander

1990-91 Upper Deck - [Base] #178

Mark Recchi [PSA 10]

2001-02 Upper Deck Legends - Milestones Jerseys #M-MB

Mike Bossy

1994-95 Upper Deck - Special Edition - Gold #SE109

Jason Kidd

2016-17 Panini Prizm - [Base] #1

Ben Simmons

2013-14 Panini Spectra - Rookie Jersey Autographs #120

Giannis Antetokounmpo

2015-16 Panini Immaculate Collection - Dual Memorabilia #26

Russell Westbrook /75

1993-94 Fleer - NBA Superstars #7

Michael Jordan [PSA 10]

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.