• 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!

15 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

1972 Topps - [Base] #559

Pete Rose [Good to VG‑EX]

2002 Bowman Chrome Draft Picks & Prospects - [Base] #BDP6

Zack Greinke

2013 Topps Chrome - Rookie Certified Autographs - Refractor [Autographed] #66

Avisail Garcia /499

2014 Panini Hall of Fame - Signatures #18

Don Sutton

2001 Topps XFL - Endzone Autographs #MIFU

Mike Furrey

2015 Topps High Tek - Autographs - Pattern 1 Grass/Waves #35

Emmanuel Sanders

2014 Topps - Rookie Patch #TRP-KB

Kelvin Benjamin

2014 Panini Prizm - Autographed Rookie - Prizms #AR-RS

Ryan Shazier /350

2005 Upper Deck Sweet Spot - Signatures #SS-BK

Bernie Kosar

2016-17 Upper Deck - [Base] - Silver Foil #214

Young Guns - Ivan Provorov

2016-17 O-Pee-Chee Platinum - [Base] - Royal Blue Cubes #50

Patrick Kane /99

2016-17 O-Pee-Chee Platinum - Retro - Orange Rainbow #R-83

Anthony Mantha /49

2016-17 Upper Deck SP Game Used - [Base] - Blue Auto [Autographed] #185

Authentic Rookies - Patrik Laine

2015-16 Upper Deck The Cup - [Base] #182

Rookie Patch Autograph - Shane Prince /249

2014-15 Panini Prizm - Rookie Autographs - Blue Prizms #13

Doug McDermott /449

2008-09 Topps Chrome - Youthquake Autographed Refractors #YQA5

Robin Lopez /165

1998-99 Skybox Premium - That's Jam #6 TJ

Scottie Pippen

2015-16 Panini NBA Hoops - Highlights #1

LeBron James

1997-98 Topps Chrome - [Base] #115

Tim Duncan

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.