• The Safe & Easy Way to Buy & Sell Collectibles

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

Port: 2009-2016
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Ends: 0d 8h 9m
texexz06
Sale - 65% OFF SRP
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Ends: 6d 9h 35m
tyronec74
Port: 1951-2016
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Ends: 5d 17h 34m
$3,333.00 DogBreath
Port: 2015-2015 Football
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Ends: 6d 23h 4m
$1,500.00 cjmvonbrm
Port: 2002-2002 Baseball
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Ends: 3d 17h 2m
$1,499.00 buymore

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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2014 Bowman Platinum - Autographed Prospects #AP-BBU

Byron Buxton

$14.65
2016 Topps Chrome - [Base] - Refractor #150

Corey Seager

$35.25
2016 Bowman's Best - Top Prospects - Green Refractor #TP-28

Aaron Judge /99

$23.25
1998 Topps Gallery - Gallery of Heroes #GH 5

Frank Thomas

$9.75
1994 Upper Deck SP - [Base] #15

Alex Rodriguez

$18.10
2012 Topps Chrome - [Base] - Retail Orange Refractor #40

Russell Wilson

$16.04
2010 SPx - Rookie Materials #RM-RG

Rob Gronkowski /375

$20.25
2008 Topps Chrome - [Base] #TC207

Jordy Nelson [PSA 10]

$18.40
2013 Panini Certified - [Base] #328

Freshman Fabric Signatures - Mike Glennon /499

$15.25
1990 Fleer Update - [Base] #U-40

Emmitt Smith [BGS 9]

$22.00
2016-17 Upper Deck - O-Pee-Chee Update - Rainbow Foil #684

Marquee Rookies - Jimmy Vesey

$2.45
2016-17 Upper Deck - UD Canvas #C241

Retired Stars - Bobby Orr

$20.25
2015-16 Upper Deck MVP - NHL Draft Pick #1 Redemptions #DP-1

Connor McDavid

$300.25
2016-17 Upper Deck - O-Pee-Chee Update - Retro #694

Marquee Rookies - Auston Matthews

$8.75
2016-17 Upper Deck - [Base] #201

Young Guns - Auston Matthews

$200.25
2013-14 Panini Select - Skills - Purple Prizms #20

Paul George /99

$3.34
2015-16 Panini Prizm - Rookie Signatures #RS-SD

Sam Dekker

$11.20
2015-16 Panini Contenders Draft Picks - [Base] - Draft Ticket Red Foil #102

College Ticket Autographs - Alan Williams

$7.89
2014-15 Panini Prestige - Prestigious Premieres Signatures - Premium #PP-AG

Aaron Gordon

$18.45
2012-13 Panini Innovation - Fine Print Autographs #47

Roy Hibbert

$4.00

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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.