• The Safe & Easy Way to Buy & Sell Collectibles

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

Sale - 68% OFF SRP
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Ends: 1d 8h 16m
WilliamsCards
Sale - -10% OFF SRP
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Ends: 4d 2h 16m
Joeybats19
Port: 2010-2010
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Ends: 2d 15h 0m
JRCards
Sale - 57% OFF SRP
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Ends: 7d 14h 16m
mjohnatgt
Sale - 52% OFF SRP
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Ends: 0d 20h 16m
americasportscards

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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1972 Topps - [Base] #688

St. Louis Cardinals Team [Good to VG‑EX]

$7.40
2016 Bowman Chrome - Prospects - Blue Refractor #BCP192

Chance Adams /150

$12.25
1996-98 Gold Performance 22k - [Base] #FHOF

The First Five Hall of Famers (Babe Ruth, Walter Johnson, Christy Mathewson, Ty…

$6.99
2017 Topps Archives - 1960 Rookie Stars #RS-9

Aaron Judge

$27.03
1958 Topps - [Base] #275

Elston Howard

$12.00
2014 Panini National Treasures - [Base] #253

Rookie Materials Signatures - Preston Brown /99

$10.74
2004 Topps - [Base] #311

Ben Roethlisberger

$18.75
1991 Topps Stadium Club - [Base] #94

Brett Favre

$19.45
2008 Donruss - Silver Signatures #SS-KS

Ken Stabler

$60.00
2015 Panini Spectra - Rising Rookie Materials #RR-MG

Melvin Gordon /199

$7.94
2016-17 SPx - Rookies - Blue Autograph [Autographed] #R-ZW

Zach Werenski /165

$14.75
2015-16 Upper Deck - Clear Cut Superstars #CCS-14

Johnny Gaudreau

$7.99
2015-16 O-Pee-Chee Platinum - Marquee Rookies #M1

Connor McDavid

$18.25
2016-17 Upper Deck SP Game Used - Banner Year Stadium Series 2016 #BSS-AP

Chi vs Min - Artemi Panarin

$5.25
2015-16 Upper Deck Full Force - Valuable Assets #V-CM

Foil Rookies - Connor McDavid

$15.25
2016-17 Panini Prizm - [Base] - Silver Prizm #290

Patrick McCaw

$25.25
1988-89 Fleer - [Base] #20

Scottie Pippen

$15.25
2014-15 Panini Prizm - [Base] #251

Andrew Wiggins

$8.35
2012-13 Panini National Treasures - '11 vs '12 Signatures - [Autographed] #8

Brandon Knight, Terrence Ross /99

$7.24
2010-11 UD North Carolina Basketball - [Base] - Autographs [Autographed] #29

John Kuester

$7.25

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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.