• The Safe & Easy Way to Buy & Sell Collectibles

    Buy from different sellers and get your cards in ONE shipment.

Sale - 28% OFF SRP
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Find baseball cards and other sports cards on sale in Promotions & Port Sales

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!

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!

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The Safe and Easy Way to Buy and Sell Cards Online

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2002 Topps Chrome Traded & Rookies - [Base] #T74

Rickey Henderson

$14.00
2017 Topps Heritage - [Base] - Chrome Rookie Stars #76

Rio Ruiz, Dansby Swanson /999

$8.75
2014 Bowman Sterling - Prospect Autographs #BSPA-JC

J.P. Crawford

$8.98
1961 Topps - [Base] #538

Chuck Hiller

$30.00
2012 Panini Cooperstown - Cooperstown Signatures #FFA-VAN

Dave Van Horne /500

$20.25
2016 Upper Deck USA Football - Future Swatch Auto Premium Series USA U19 #FS-TU

Trey Udoffia /50

$24.99
1998 Skybox Thunder - Starburst #6 SB

Peyton Manning

$9.95
1996 Bowman's Best - Bets - Atomic Refractor #BB7

Marvin Harrison

$11.08
2014 Bowman Sterling - Autographs #BSA-JW

Rookie Autograph - James White

$3.72
1991 Pinnacle - [Base] #42.2

Emmitt Smith ("He held out" on back Promo)

$40.25
2016-17 SPx - [Base] - Blue Autographs [Autographed] #61

Shadow Box Rookies - Oliver Bjorkstrand /199

$6.99
2014-15 Upper Deck - [Base] #206

Sam Reinhart

$17.45
1998-99 SPx Top Prospects - Premier Stars #PS 21

Patrick Roy

$14.25
2012-13 In the Game Between the Pipes - Game-Used Jersey - Silver #M-46

Matt Murray /140

$9.99
2015-16 Upper Deck - UD Canvas #C257

Program of Excellence - Sam Bennett

$15.25
2015-16 Panini NBA Hoops - Team Leaders - Artist Proof Holo #1

Andrew Wiggins /99

$4.75
2015-16 Panini Black Gold - Rookie Jersey Autographs #4

Emmanuel Mudiay /199

$20.00
1998-99 Metal Universe - Planet Metal #9 PM

Stephon Marbury

$12.00
2000-01 Topps Stadium Club - Beam Team #BT14

Gary Payton /500

$40.25
2016-17 Panini Revolution - [Base] #143

Rookies - Ben Simmons

$27.24

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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.