• The Safe & Easy Way to Buy & Sell Collectibles

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

Sale - 71% OFF SRP
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Ends: 2d 15h 10m
ccmsaudi
Sale - 56% OFF SRP
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Ends: 5d 14h 10m
moxacaine
Port: 2011-2017
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Ends: 2d 4h 51m
$500.00 mbarnes1546
Port: 1989-2017
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Ends: 6d 4h 52m
$359.00 Thompsonsplace
Sale - 61% OFF SRP
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Ends: 7d 11h 10m
swilson

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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2016 Bowman - Chrome Prospect Autographs - Refractor #CPA-AA

Anthony Alford /499

$12.25
2015 Topps Chrome Update - Mega Box [Base] #US283

Kris Bryant

$14.49
1991 Upper Deck - Heroes of Baseball #H1.1

Harmon Killebrew (Autographed) /3000

$99.95
1956 Topps - [Base] #72.2

Philadelphia Phillies Team (Gray Back, Team Name Centered)

$20.00
2004 SP Prospects - [Base] #389

Lucas Harrell /550

$6.25
2016 Panini Contenders - [Base] #117

Rookie Ticket - Myles Jack

$20.24
2016 Donruss Optic - [Base] #168

Rated Rookies - Ezekiel Elliott

$8.99
1969 Topps - [Base] #25

Johnny Unitas [Good to VG‑EX]

$12.19
2010 Panini Epix - [Base] - Gold #58

Tom Brady /100

$20.25
1995 Superior Pix - [Base] - Autographs [Autographed] #3

Steve McNair /3000

$14.95
2016-17 Upper Deck Compendium - Heart & Soul #HS-6

Sidney Crosby

$9.00
2016-17 Upper Deck - [Base] #249

Young Guns - William Nylander

$30.25
2016-17 Upper Deck - Ceremonial Puck Drop #CPD-7

Martin Brodeur

$39.99
2014-15 Upper Deck - [Base] #214

Teuvo Teravainen

$2.75
2016-17 Upper Deck - UD Canvas #C243

Retired Stars - Mario Lemieux

$19.99
2013-14 Panini Signatures - Rookie Signatures #28

Kelly Olynyk /199

$6.73
1997-98 Topps Stadium Club - Triumvirate - Luminescent #T2A

Ray Allen

$19.99
2012-13 Panini Prizm - [Base] #203

Klay Thompson

$10.99
2015-16 Panini Prizm - [Base] #308

Rookies - Devin Booker

$16.24
2016-17 Panini Donruss Optic - [Base] - Holo #151

Ben Simmons

$80.25

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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.