• The Safe & Easy Way to Buy & Sell Collectibles

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

Sale - 47% OFF SRP
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Ends: 1d 10h 15m
Gradedbricks
Sale - 69% OFF SRP
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Ends: 0d 12h 15m
DizzyDSki
Sale - 78% OFF SRP
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Ends: 1d 11h 16m
newfie16
Sale - 28% OFF SRP
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Ends: 0d 10h 16m
astros1962
Sale - 58% OFF SRP
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Ends: 3d 7h 16m
nordy22

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!

14 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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2013 Topps Chrome - Rookie Certified Autographs - [Autographed] #32

Jose Fernandez

$65.25
2016 Bowman's Best - Best of 2016 Autographs #B16-RD

Rafael Devers

$35.24
2017 Topps Heritage - Clubhouse Collection Relics #CCR-FF

Freddie Freeman

$3.85
1975 Topps - [Base] #620

Gary Carter, Marc Hill, Dan Meyer, Leon Roberts [Good to VG‑EX]

$12.49
2016 Topps Archives 65th Anniversary - [Base] - Autographs [Autographed] #A65-CS

Curt Simmons

$4.02
2016 Panini Unparalleled - [Base] - Blue Autographed [Autographed] #173

Keanu Neal /199

$20.25
1959 Topps - [Base] #29

Rosey Grier [Good to VG‑EX]

$1.88
2015 Topps Valor - Rookie Relics #VRR-DAJ

David Johnson

$21.25
2002 Topps Chrome - [Base] #100

Tom Brady

$85.25
2014 Score - Air Commanders Dual Jerseys #AC-BR

Joe Flacco, Jacoby Jones

$4.99
2015-16 Upper Deck - Code to Greatness #CTG-0

Achievement - Connor McDavid

$25.24
1989-90 O-Pee-Chee - [Base] #113

Joe Sakic [PSA 9]

$22.49
2005-06 Upper Deck Bee Hive - [Base] #126

Henrik Lundqvist

$8.01
2016-17 Upper Deck - [Base] #201

Young Guns - Auston Matthews [BGS 9.5]

$235.99
2014 In the Game Draft Prospects - Autographs - Silver #A-LD1

Leon Draisaitl

$17.95
2015-16 Panini NBA Hoops - Hot Signatures #HS-CP

Cameron Payne

$19.95
2013-14 Panini Select - Rookie Jerseys Autographs #17

Cody Zeller

$7.76
1986-87 Fleer - [Base] #132

Checklist

$7.13
2016-17 Panini Prizm - [Base] - Retail Starburst Prizm #243

Marquese Chriss

$8.25
2016-17 Panini Totally Certified - [Base] #138

Rookies - Dario Saric

$24.95

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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.