• The Safe & Easy Way to Buy & Sell Collectibles

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

Sale - 62% OFF SRP
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brianped
Sale - 35% OFF SRP
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ronnyberry
Port: 1981-2016 Basketba…
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$700.00 Robert924
Sale - 59% OFF SRP
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ComcUltimateHockey
Sale - 63% OFF SRP
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vintagegold

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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2017 Topps Finest - [Base] - Refractor #2

Aaron Judge

$50.25
2016 Topps Chrome - ROY Chronicles - Green Refractor #ROY-DP

Dustin Pedroia /99

$12.25
2016 Bowman - Chrome Prospect Autographs #CPA-AA

Anthony Alford

$14.25
1970 Kellogg's 3-D Super Stars - [Base] #72

Joe Morgan

$10.25
1990-91 Topps Major League Debut 1990 - Box Set [Base] #153

Frank Thomas

$11.23
2008 Topps Finest - Tom Brady Finest Moments - Refractor #TB12

Tom Brady /149

$50.00
2013 Topps Chrome - [Base] - Pink BCA Refractor #131

Eddie Lacy /399

$20.25
1962 Topps - [Base] #100

Roy Winston [Good to VG‑EX]

$18.25
2013 Topps Archives - Fan Favorites Autographs #FFA-EM

Ed McCaffrey

$19.99
1989 Score - [Base] #257

Barry Sanders

$20.25
2015-16 Upper Deck - Parkhurst Rookies #PR-1

Connor McDavid

$15.97
2015-16 O-Pee-Chee Platinum - Marquee Rookies #M1

Connor McDavid

$17.75
1979-80 Topps - [Base] #261

New NHL Entries

$15.25
2016-17 SPx - Double XL Materials #XXL-MM

Mitch Marner /199

$21.25
2011-12 Upper Deck The Cup - [Base] #155

Erik Gustafsson /249

$18.25
2015-16 Panini Gold Standard - [Base] #263

Rookie Jersey Autographs Double - Terry Rozier /149

$11.25
2016-17 Panini Select - [Base] #251

Courtside - Ben Simmons

$38.00
2015-16 Panini Gala - Coming Attractions Memorabilia #9

Karl-Anthony Towns /60

$19.95
2014-15 Panini Prizm - [Base] - Blue Mojo Prizms #263

T.J. Warren

$10.99
2014-15 Panini Paramount - Past & Present Jerseys #15

Carmelo Anthony /40

$12.25

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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.