Shop from 20,201,059 total and 6,033,032 unique sports cards. Baseball, Football, Hockey, and Basketball.

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!

20 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!

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The Safe and Easy Way to Buy and Sell Cards Online

Shop Recently Added

2004 Upper Deck Play Ball - [Base] #177

Classic Combos - Ted Williams, Joe DiMaggio /1999

2019 Topps - 1984 Topps Baseball Relics #84R-MT

Mike Trout

2010 Topps Update Series - Chrome Refractor RC Box Loader #CHR06

Josh Donaldson

2018 Topps Chrome Update - Target Exclusive [Base] #HMT55

Juan Soto [PSA 10 GEM MT]

2016 Topps - [Base] - Limited Edition #1

Mike Trout

2017 Panini Preferred - [Base] #89

Rookie Silhouettes - James Conner /199

2018 Panini Prizm - [Base] - Lazer Prizm #102

Patrick Mahomes II

2017 Panini Contenders Optic - [Base] #189

Rookie Ticket Autograph - Matt Breida

1975 Topps - [Base] #459

Lynn Swann [Good to VG‑EX]

1999 Topps Chrome - [Base] - Refractor #147

Donovan McNabb

2003-04 Upper Deck Classic Portraits - [Base] #119

Patrick Roy /800

1996-97 Donruss Elite - Painted Warriors #1

Patrick Roy /2500

2018-19 O-Pee-Chee Platinum - [Base] - Rainbow Color Wheel #199

Marquee Rookies - Carter Hart

2017-18 O-Pee-Chee Platinum - [Base] - Seismic Gold #143

Legends - Joe Sakic /50

2017-18 O-Pee-Chee Platinum - [Base] - Royal Blue Cubes #8

Patrik Laine /99

2018-19 Panini Prizm - [Base] #280

Luka Doncic

2016-17 Panini Select - Rookie Signatures #9

Domantas Sabonis /299

1996-97 Fleer Metal - [Base] #201

Allen Iverson [PSA 10 GEM MT]

2018-19 Panini Donruss Optic - [Base] - Signatures [Autographed] #170

Rated Rookies Signatures - Wendell Carter Jr.

2016 Panini National Treasures Collegiate - Rookie Silhouettes #7

Brandon Ingram /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. 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.