• The Safe & Easy Way to Buy & Sell Collectibles

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

Port: 1928-2016 Soccer
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Ends: 3d 19h 24m
$975.00 kristianstrom
Sale - 58% OFF SRP
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Ends: 1d 10h 28m
caa
Sale - 85% OFF SRP
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Ends: 0d 11h 29m
toddandrh
Sale - 72% OFF SRP
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Ends: 0d 21h 28m
emeraldcitygems
Sale - 35% OFF SRP
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Ends: 1d 14h 28m
hvl23sg

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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1967 Topps - [Base] #480

Willie McCovey

$24.00
1959 Topps - [Base] #525

Jim Coates [Good to VG‑EX]

$10.25
1985 Topps - [Base] #401

Mark McGwire [PSA 8]

$16.00
1963-67 Sport Hobbyist Famous Card Series - [Base] #8

Lou Criger (S-74 Silks)

$8.75
2017 Bowman - Chrome Prospects - Mega Box Refractor #BCP100

Kevin Maitan

$15.00
2016 Score - [Base] - Jumbo Gold Zone #229

Derek Carr /99

$8.25
2008 Topps - [Base] #241

James Harrison

$6.61
2014 Panini Black Gold - Golden Opportunity Dual Jerseys #GO-DEN

Demaryius Thomas, Cody Latimer /149

$5.24
2004 SP Authentic - [Base] #194

Michael Jenkins /799

$4.54
2015 Panini Crown Royale - [Base] #131

Rookies - Trevor Siemian

$10.00
2016-17 Upper Deck - O-Pee-Chee Update - Rainbow Foil #675

Marquee Rookies - Jake Guentzel

$15.25
2016-17 SPx - Double XL Duos Materials #XD-KH

Evgeny Kuznetsov, Braden Holtby /99

$5.75
2016-17 SPx - Rookies - Red Jersey [Memorabilia] #R-WN

William Nylander /235

$10.25
2014-15 Upper Deck - Shining Stars - Royal Blue #SS-45

Wayne Gretzky

$5.49
2011-12 Score - [Base] #551

Ryan Nugent-Hopkins

$14.95
2015-16 Panini Select - [Base] #268

Courtside - Karl-Anthony Towns

$13.84
1998-99 Upper Deck UD Choice - Starquest - Red #SQ30

Michael Jordan

$40.25
2015-16 Panini Black Gold - Rookie Jersey Autographs #4

Emmanuel Mudiay /199

$20.00
2013-14 Panini National Treasures - Material Treasures Signatures #MT-IS

Iman Shumpert /99

$12.00
2009-10 Bowman '48 - [Base] - Blue #104

James Harden /1948

$27.24

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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.