• The Safe & Easy Way to Buy & Sell Collectibles

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

Port: 2010-2017
Preview
Ends: 6d 19h 7m
$750.00 Jaysabz
Sale - 41% OFF SRP
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Ends: 1d 19h 15m
aroundthehorn
Sale - 53% OFF SRP
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Ends: 0d 21h 16m
cardkid
Port: 1973-2016
Preview
Ends: 5d 17h 38m
$75.00 Doomm
Port: 2014-2017
Preview
Ends: 5d 18h 36m
$2,780.00 nobinho18

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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1962 Topps - [Base] #100

Warren Spahn [Good to VG‑EX]

$18.00
2015 Bowman - Chrome Prospects - Blue Wave Refractor #BCP113

Gary Sanchez

$6.98
2014 Bowman Draft Picks & Prospects - Chrome - Blue Refractors #CDP10

Trea Turner /399

$18.98
2014 Bowman Draft Picks & Prospects - Top Prospects Chrome - Blue Refractor #CTP-39

Aaron Judge /399

$75.00
2004 Topps Heritage - [Base] #425

Derek Jeter

$75.25
2015 Topps Chrome - 60th Anniversary - Wal-Mart Relics [Memorabilia] #T60R-JW

Jameis Winston

$6.99
2015 Topps Fire - Forces of Nature #FON-DM

Dan Marino

$9.95
2008 Topps - [Base] #241

James Harrison

$7.25
2016 Upper Deck USA Football - [Base] - Flag Wave #20

USA U19 - Ron Johnson

$4.44
1971 Kellogg's 3-D - [Base] #47

Claude Humphrey [Good to VG‑EX]

$18.30
2009-10 Upper Deck - All World Team #AW32

Sidney Crosby

$12.25
2014-15 Upper Deck - Hockey Heroes 2010's #HH91

Patrick Kane, Alex Ovechkin

$24.25
2014-15 Upper Deck - [Base] - UD Exclusives #441

Nicklas Backstrom /100

$17.25
2016-17 SPx - Rookies #R-MM

Mitch Marner /399

$17.25
2015-16 Upper Deck Ice - Exquisite Rookie Signatures #ERS-JD

Joonas Donskoi /399

$8.20
2004-05 Topps Chrome - [Base] #23

Lebron James

$34.99
2004-05 Topps Chrome - [Base] #23

Lebron James

$34.99
2014-15 Panini Totally Certified - Jerseys - Blue #46

Kawhi Leonard /199

$15.00
2014-15 Panini Prizm - [Base] #253

Joel Embiid

$10.25
2013-14 Panini Titanium - Draft Day Autographs #20

Steven Adams

$11.74

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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.