Shop from 17,547,104 total and 5,340,389 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!

17 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

2014 Topps Stadium Club - Autographs #SCA-SG

Sonny Gray

1961 Topps - [Base] #374

Paul Giel [NM]

2001 Topps Gallery - [Base] #50.2

Willie Mays (San Francisco Giants)

2017 Bowman Draft - [Base] #BD-162

Juan Soto

2011 Bowman Sterling - [Base] #48

Eric Hosmer

2008 SP Rookie Edition - [Base] #366

Joe Green

2014 Topps Platinum - Autograph Rookie Refractor Patch #ARP-JMA

Jordan Matthews

2004 Topps Chrome - [Base] #230

Philip Rivers

1998 Ultra - Next Century #4 NC

Randy Moss

1994-95 Upper Deck - SP - Die-Cut #SP-36

Wayne Gretzky

2017-18 Upper Deck - [Base] #455

Young Guns - Nolan Patrick

2016-17 SPx - [Base] - Blue Autographs [Autographed] #64

Shadow Box Rookies - Dylan Strome /199

2016-17 Ultimate Collection - [Base] #140

Ultimate Rookies Autographs Tier 1 - Dylan Strome /299

1981-82 Topps - [Base] #16

Wayne Gretzky

2016-17 Panini Donruss Optic - The Rookies #2

Ben Simmons

1994-95 Topps Embossed - [Base] - Golden Idol #121

Michael Jordan

2008-09 Topps Treasury - Rookie Refractor Autographs #121

Derrick Rose

1991-92 Skybox - [Base] #534

Michael Jordan [PSA 10 GEM MT]

2014-15 Panini Prizm - Rookie Autographs - Blue Prizms #11

Elfrid Payton /399

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.