• The Safe & Easy Way to Buy & Sell Collectibles

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

Sale - 57% OFF SRP
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Ends: 1d 6h 5m
mjohnatgt
Sale - 60% OFF SRP
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Ends: 0d 1h 5m
nobinho18
Sale - 68% OFF SRP
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Ends: 1d 6h 5m
NYSPORTSFAN
Sale - 59% OFF SRP
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Ends: 0d 6h 5m
SMVintage
Sale - 60% OFF SRP
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Ends: 2d 20h 5m
brianped

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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2012 Bowman Platinum - Autographed Prospects #AP-DB

Dylan Bundy

$22.50
2012 Bowman Draft Picks & Prospects - Chrome Prospects Certified Autographs - [Autographed] #BCA-RG

Ronald Guzman

$20.25
2013 Topps Heritage - High Number #H584

Yasiel Puig

$7.98
2017 Topps Heritage - [Base] #444.2

High Number SP - Gary Sanchez (Action Image Variation)

$24.24
2014 Bowman Draft Picks & Prospects - Chrome - Blue Refractors #CDP10

Trea Turner /399

$18.98
2015 Topps Platinum - Platinum Players Die-Cut #PDC-TB

Tom Brady

$12.24
2011 Certified - [Base] - Mirror Red Signatures [Autographed] #155

Aldon Smith /250

$5.65
1971 Kellogg's 3-D - [Base] #13

Larry Brown

$14.25
2011 SP Authentic - [Base] #209

Randall Cobb /699

$15.99
2013 Bowman - NFLPA Collegiate Bowl Autographs #65

Nate Palmer

$20.25
2016-17 Upper Deck - UD Canvas #C106

Young Guns - Patrik Laine

$125.25
2013-14 O-Pee-Chee - Marquee Legends Gold #ML-4

Patrick Roy

$9.70
2016-17 Upper Deck - O-Pee-Chee Update - Retro #694

Marquee Rookies - Auston Matthews

$10.00
2016-17 SPx - Rookies - Red Jersey [Memorabilia] #R-WN

William Nylander /235

$10.25
1971-72 Topps - [Base] #70

Gordie Howe

$22.95
2015-16 Panini Absolute - Heroes Autographs #HA-CC

Cedric Ceballos /149

$7.50
2014-15 Panini Totally Certified - Jerseys - Red #78

Joel Embiid /249

$20.25
2013-14 Upper Deck Exquisite Collection - [Base] #59

Mason Plumlee /199

$15.24
2014-15 Panini Totally Certified - [Base] - Platinum Blue #131

Anfernee Hardaway /149

$10.25
2015-16 Panini Prizm - [Base] - Orange Prizm #337

Rookies - Norman Powell /65

$17.50

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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.