• The Safe & Easy Way to Buy & Sell Collectibles

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

Sale - 6% OFF SRP
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rick7
Sale - 59% OFF SRP
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arod4president
Sale - 66% OFF SRP
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DAVE56
Port: 2017-2017
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killergrizz00
Sale - 3% OFF SRP
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Cyndeeg3

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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1976 SSPC - [Base] #593.1

Catfish Hunter, Nolan Ryan

$10.15
2016 Bowman Chrome - Prospects - Refractor #BCP185

Travis Blankenhorn /499

$15.25
2014 Topps Archives - Major League #MLC-RV

Charlie Sheen as Ricky Vaughn

$18.00
2016 Bowman Chrome - Prospects #BCP182

Cody Bellinger

$9.94
2015 Bowman - Chrome Prospects Autographs #BCAP-SG

Stephen Gonsalves

$10.25
2016 Panini Day - [Base] #77

Marquette King /699

$6.90
2016 Panini Origins - [Base] #110

Rookie Autographs - Hunter Henry

$15.25
2005 Topps All American Retired Edition - [Base] - Chrome #8

Joe Montana /555

$15.00
2016 Panini Contenders Draft Picks - [Base] #246

College Ticket - Kyler Fackrell

$3.73
2016 Panini Prestige - [Base] #206

Rookies - Dak Prescott

$7.99
2015-16 Upper Deck - [Base] - Oversized #228

Young Guns - Dylan Larkin

$12.19
2015-16 Upper Deck - [Base] #221

Young Guns - Artemi Panarin

$9.23
2015-16 SP Authentic - Sign of the Times Rookies #SOTR-MI

Colin Miller /299

$3.25
1974-75 Topps - [Base] #130

1973-74 NHL East All-Star (Bobby Orr) [Good to VG‑EX]

$13.99
2016-17 Upper Deck MVP - [Base] - Green #242

Connor McDavid

$11.00
2016-17 Panini Donruss Optic - [Base] - Orange #15

LeBron James /199

$17.00
2009-10 SP Game Used - 3 Star Swatches #3S-DMO

Tim Duncan, Shaquille O'Neal, Yao Ming /299

$15.25
2015-16 Panini Prizm - Autographs #P-DNS

Don Nelson

$14.25
2015-16 Panini Spectra - [Base] #122

Rookie Jerseys Autograph Prizms - Nikola Jokic

$60.00
1993 Upper Deck - Box Set NBA Hologram Set #4

Michael Jordan /138000

$16.99

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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.