• The Safe & Easy Way to Buy & Sell Collectibles

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

Port: 1941-2017
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Ends: 4d 18h 2m
$1,250.00 barnballer69
Sale - 55% OFF SRP
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Ends: 2d 18h 31m
jaybirdmh93
Port: 1994-2016 Football
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Ends: 6d 16h 52m
$399.00 collectorstore
Sale - 56% OFF SRP
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Ends: 0d 15h 31m
cardkid
Port: 2009-2017
Preview
Ends: 6d 18h 28m
texexz06

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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2016 Bowman Platinum - Top Prospects Autographs #TPA-JM

Jorge Mateo

$10.25
2015 Panini National Treasures - [Base] #211

Rookie Material Signatures Silver - Matt Duffy /99

$50.25
1993 Topps - [Base] #98

Derek Jeter

$19.99
1967 Topps - [Base] #45

Roger Maris [Good to VG‑EX]

$35.25
1997 Donruss Elite - Passing the Torch #7

Cecil Fielder /1500

$6.25
2016 Upper Deck USA Football - [Base] - Flag Wave #20

USA U19 - Ron Johnson

$4.50
2005 Topps Chrome - [Base] - Gold X-Fractor #218

Derrick Johnson /399

$4.25
2011 Topps Chrome - [Base] - Blue Refractor #37

Aldon Smith /199

$3.85
2015 Panini Immaculate Collection - Immaculate Ink #II-FB

Fred Biletnikoff /99

$24.99
1958 Topps - [Base] #86

Y.A. Tittle

$12.25
2014-15 Upper Deck Trilogy - Tryptichs - Jerseys #T-CP3

Carey Price /300

$30.25
2015-16 SP Authentic - Sign of the Times Rookies #SOTR-MI

Colin Miller /299

$3.73
2015-16 Upper Deck Fleer Showcase - [Base] #183

Hot Prospects Auto Patch - Vincent Hinostroza /499

$8.25
1969-70 O-Pee-Chee - [Base] #46

Ron Ellis

$16.99
2015-16 SP Authentic - [Base] #268

Future Watch Autographs - Colton Parayko /999

$20.00
2007-08 Topps Chrome - [Base] - 1957-58 Variations #6

Bill Russell

$1.50
2016-17 Panini Prizm - Veteran Signatures #14

Draymond Green

$24.25
2014-15 NBA Hoops - Freshman Fabrics #8

Joel Embiid

$28.25
2011-12 NBA Hoops - [Base] - Autographs [Autographed] #238

Paul Millsap

$12.25
2016-17 Panini Donruss Optic - [Base] - Holo #151

Ben Simmons

$100.00

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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.