• The Safe & Easy Way to Buy & Sell Collectibles

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

Sale - 42% OFF SRP
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Ends: 9d 4h 17m
breakersrowe
Sale - 57% OFF SRP
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Ends: 2d 22h 16m
mjohnatgt
Port: 2011-2017
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Ends: 2d 14h 57m
$500.00 mbarnes1546
Sale - 60% OFF SRP
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Ends: 1d 4h 17m
Gradedbricks
Port: 1991-2017
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Ends: 6d 4h 15m
$700.00 CoolCollectibles

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.

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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

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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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1957 Topps - [Base] #318

Mickey McDermott

$4.25
2017 Topps Finest - Finest Firsts #FFI-AJ

Aaron Judge

$25.25
2015 Topps Tier One - Relics #TSR-KG

Ken Griffey Jr. /199

$14.99
2011 Bowman Sterling - USA Baseball Collegiate Team Dual Autographs #USDA-BC

Alex Bregman, Gavin Cecchini /299

$89.25
2011 Topps Chrome - Redemption USA Baseball Collegiate National Team - Autographs [Autographed] #USABB17

Tyler Naquin

$15.20
2014 Topps Five Star - Autographs #FSA-RJ

Rashad Jennings

$6.73
2009 Donruss Classics - Classic Triples - Silver #1

Danny White, Troy Aikman, Roger Staubach /250

$7.25
2007 Topps Co-Signers - Dual Autographs #CSA-RS

Tony Romo, Isaiah Stanback

$85.25
2010 SAGE Hit - Autographs - Silver #A90

Jason Pierre-Paul

$14.97
2016 Upper Deck USA Football - Future Swatch Jersey USA U19 #FS-MH

Mecole Hardman Jr.

$5.25
2016-17 Upper Deck MVP - [Base] - Colors & Contours #235

Level 2 Purple - Evgeni Malkin

$10.00
2015-16 Upper Deck - Clear Cut Superstars #CCS-18

Henrik Lundqvist

$8.00
2016-17 Upper Deck Compendium - [Base] - Blue #821

Rookies - Mitch Marner

$5.25
2015-16 O-Pee-Chee Platinum - Marquee Rookies #M1

Connor McDavid

$18.25
2014-15 Upper Deck - [Base] #464

Shayne Gostisbehere

$35.15
2015-16 Panini Prizm - [Base] - Purple Prizm #337

Rookies - Norman Powell /99

$19.99
2001-02 Upper Deck Ovation - MJ 1982 Championship Commemorative #MJF1

Michael Jordan

$27.99
2007-08 Topps Letterman - Autographed Letterman Patches #LA-AL4

Acie Law /33

$12.25
2015-16 Panini Select - [Base] - Silver Prizms #226

Courtside - D'Angelo Russell

$5.85
2016-17 Panini Donruss Optic - [Base] - Purple #152

Brandon Ingram

$24.99

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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.