• The Safe & Easy Way to Buy & Sell Collectibles

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

Sale - 36% OFF SRP
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Ends: 4d 21h 7m
massmediakid
Sale - 23% OFF SRP
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jimmertime7
Sale - 60% OFF SRP
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mojo2005
Port: 2001-2016
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luchcards16
Sale - 30% OFF SRP
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Ends: 1d 22h 7m
Drugmon

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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1997 Donruss Studio - Master Strokes #17

Chipper Jones /2000

$8.24
1991 Upper Deck - [Base] #55

Chipper Jones [PSA 10]

$71.99
2017 Bowman - Chrome Prospect Autographs #CPA-AST

Andrew Stevenson

$12.98
2016 Topps - Scouting Report Relics #SRR-JDE

Jacob deGrom

$6.98
2013 Bowman Sterling - [Base] - Blue Refractors #38

Christian Yelich /25

$20.25
2005 Upper Deck Exquisite Collection - [Base] #105

Courtney Roby /199

$12.25
1971 Kellogg's 3-D - [Base] #22

Clint Jones

$24.25
1955 Bowman - [Base] #62

George Blanda [Good to VG‑EX]

$12.75
2014 Topps Inception - Rookie Autographs #18

Jimmy Garoppolo

$50.25
2015 Panini Contenders - [Base] #158

Rookie Ticket - Malcom Brown

$7.00
2016-17 Upper Deck Compendium - [Base] - Blue #900

Rookies - Auston Matthews

$13.25
2005-06 Upper Deck MVP - [Base] #393

Sidney Crosby

$39.75
2013-14 Select - Rookie Jersey Autographs #242

Carl Soderberg /199

$7.13
2016-17 Upper Deck - [Base] #249

Young Guns - William Nylander

$30.25
2015-16 Upper Deck - [Base] #451

Young Guns - Jack Eichel [Mint]

$89.50
2012-13 Panini Marquee - [Base] #326

Kawhi Leonard

$10.74
2003-04 Upper Deck Victory - [Base] #206

Lebron James

$11.00
2014-15 Panini Excalibur - [Base] - Knight's Templar #154

Zach LaVine

$5.25
1991-92 NBA Hoops - All-Star MVPs #IX

Michael Jordan

$9.25
2012-13 Panini Threads - [Base] #203

Rookies - Bradley Beal

$32.97

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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.