• The Safe & Easy Way to Buy & Sell Collectibles

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

Sale - 63% OFF SRP
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ComcUltimateHockey
Sale - 33% OFF SRP
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27kills
Sale - 70% OFF SRP
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mdupaquier2
Sale - 68% OFF SRP
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NYSPORTSFAN
Sale - 34% OFF SRP
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astros1962

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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2007 Bowman - [Base] #231

Akinori Iwamura

$30.24
2016 Bowman Chrome National Convention - [Base] - Gold Refractor #BNR-7

Alex Bregman /50

$28.74
1997 Bowman's Best - Best Cuts - Refractors #BC2

Chipper Jones

$7.73
1994 Pacific Crown Collection - Prisms - Silver #15

Cal Ripken Jr.

$20.25
1994 Topps Archives The Ultimate 1954 Set - [Base] - Gold #90

Willie Mays

$5.74
2015 Panini National Treasures - Rookie Colossal Materials Signatures #RCO-SD

Stefon Diggs /99

$42.32
2015 Topps Platinum - Platinum Players Die-Cut #PDC-TB

Tom Brady

$12.24
2011 Topps Chrome - [Base] - Gold Refractor #117

Cameron Heyward /50

$12.25
1996 Playoff Absolute - Xtreme Team #XT04

Dan Marino

$10.24
1995 Topps - Finest Boosters - Refractor #180

Emmitt Smith

$25.25
2015-16 Upper Deck Full Force - Valuable Assets #V-JE

Foil Rookies - Jack Eichel

$13.25
2015 Upper Deck Team Canada Juniors - [Base] #90

Connor McDavid

$4.75
2008-09 Upper Deck - [Base] #220

Drew Doughty

$19.99
1973-74 O-Pee-Chee - Rings #11

Boston Bruins Team

$12.25
2016-17 Upper Deck - [Base] - Exclusives #81

Jaromir Jagr /100

$120.25
1995-96 Topps Finest - [Base] - Refractor #190

Grant Hill

$12.25
1972-73 Topps - [Base] #75

Jerry West

$19.74
2015-16 Panini Immaculate Collection - Shadowbox Signatures #SS-JC

Jae Crowder /99

$16.99
2015-16 Panini Black Gold - Grand Debut Signatures #20

Terry Rozier /100

$8.25
2013-14 Totally Certified - Present Potential Signatures #PP-DG

Danny Green /99

$4.37

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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.