• The Safe & Easy Way to Buy & Sell Collectibles

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

Port: 1976-2017 Football
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Ends: 4d 13h 8m
Robert924
Sale - 12% OFF SRP
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Ends: 1d 1h 10m
boxbuster777
Sale - 69% OFF SRP
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Ends: 0d 23h 10m
FreedomTradingCards
Port: 2013-2017
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Ends: 4d 22h 30m
$2,280.00 nobinho18
Port: 1970-2017
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Ends: 5d 16h 36m
$265.00 LandgrenLeisure

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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1993 Classic Best Minor League - Promotional #PR1

Derek Jeter

$18.25
1991 Upper Deck - [Base] #55

Chipper Jones [PSA 10]

$71.99
1969 Topps - [Base] #100

Hank Aaron [Good to VG‑EX]

$18.00
2009 Upper Deck Signature Stars - USA Prospects Autograph Jerseys #USA-CO

Gerrit Cole /399

$15.20
2015 Topps - [Base] #616.1

Kris Bryant (Base)

$11.85
1973 Topps - [Base] #48

Mercury Morris [Good to VG‑EX]

$4.47
2014 Panini Spectra - [Base] #208

Rookie Jersey Autographs - Paul Richardson /149

$5.75
2006 Bowman Chrome - [Base] - Rookie Autographs [Autographed] #243

Chad Greenway

$12.25
2016 Panini Prizm Collegiate Draft Picks - [Base] - Prizms Autographs [Autographed] #145

Draft Picks - Sterling Shepard

$13.75
2016 Panini Prizm - Rookie Introductions - Prizm #4

Ezekiel Elliott

$20.25
2016-17 Upper Deck - Instant Impressions #II-21

Achievement - Auston Matthews

$20.25
2016-17 SPx - Rookies - Blue Autograph [Autographed] #R-IP

Ivan Provorov /165

$30.25
1995-96 Topps - Home Grown Canada #HGC9

Ray Bourque

$12.50
2014-15 Upper Deck Ultimate Collection - [Base] #120

Autographed Rookies - Andre Burakovsky /299

$14.00
2016-17 Upper Deck - [Base] #249

Young Guns - William Nylander [BGS 9]

$46.00
1985-86 Star - [Base] #94

Jamaal Wilkes

$15.25
1994-95 SP - Promotional Sample #23

Michael Jordan

$13.25
2008-09 Topps Treasury - Rookie Refractor Autographs #127

Eric Gordon

$18.00
2016-17 Panini Prizm - [Base] #1

Ben Simmons

$27.00
2014-15 NBA Hoops - Freshman Fabrics #8

Joel Embiid

$28.25

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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.