• The Safe & Easy Way to Buy & Sell Collectibles

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

Sale - 64% OFF SRP
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cannwinn
Sale - 45% OFF SRP
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yetibon
Sale - 25% OFF SRP
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Julian1470
Sale - 60% OFF SRP
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mojo2005
Sale - 48% OFF SRP
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bonds0128

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!

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!

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The Safe and Easy Way to Buy and Sell Cards Online

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1963 Topps - [Base] #3

1962 NL Home Run Leaders (Hank Aaron, Frank Robinson, Willie Mays, Ernie Banks,…

$7.95
1974 Kellogg's 3-D Super Stars - [Base] #6

Jim Palmer

$6.70
1968 Topps - [Base] #520

Lou Brock [Good to VG‑EX]

$11.39
1989 Fleer - [Base] #548

Ken Griffey Jr. [BGS 9.5]

$44.95
2000 EX - E-Xceptional - Red #2 XC

Derek Jeter /1999

$20.00
1999 Stadium Club Chrome - [Base] - Refractor #121

Champ Bailey

$16.35
2013 Panini Playbook - Rookie Booklets - Silver Signatures [Autographed] #203

Christine Michael /244

$24.20
2014 Topps Fire - [Base] - Foil Flame #119

Odell Beckham Jr.

$8.85
1989 Topps Traded - [Base] #70T

Troy Aikman [PSA 9]

$8.49
2014 Topps Five Star - Autographs #FSA-DMA

Doug Martin

$9.25
1996-97 Leaf - Sweaters - Away #13

Pavel Bure /5000

$13.25
2016-17 Upper Deck - [Base] #201

Young Guns - Auston Matthews

$224.25
2013-14 Upper Deck - [Base] #451

Filip Forsberg

$21.99
2015-16 Upper Deck MVP - NHL Draft Pick #1 Redemptions #DP-1

Connor McDavid

$300.25
2015-16 Upper Deck Ultimate Collection - [Base] #20

Short Printed - Mark Messier /99

$12.25
1986-87 Fleer - [Base] #82

Akeem Olajuwon

$65.25
2013-14 Panini Prizm - [Base] #290

Giannis Antetokounmpo [PSA 10]

$91.00
1981-82 Topps - [Base] #4

Larry Bird

$10.25
2014-15 Panini Excalibur - Dunk Company Jerseys #2

Kevin Garnett

$6.24
2014-15 Panini Select - [Base] - Blue Prizm #75

Concourse - Giannis Antetokounmpo /249

$12.75

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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.