• The Safe & Easy Way to Buy & Sell Collectibles

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Sale - 47% OFF SRP
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Ends: 6d 3h 54m
mycollection
Sale - 55% OFF SRP
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Ends: 0d 15h 54m
markeddowncards
Sale - 32% OFF SRP
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Ends: 5d 17h 54m
Fishtale
Sale - 39% OFF SRP
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Ends: 2d 7h 54m
CardKing
Port: 1989-2017
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Ends: 6d 20h 36m
$359.00 Thompsonsplace

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.

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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

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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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1956 Topps - [Base] #340

Mickey McDermott

$14.00
2014 Bowman Chrome - Prospects - Gold Refractor #BCP40

Michael Taylor /50

$25.24
1957 Topps - [Base] #40

Early Wynn

$18.00
2016 Topps Chrome - Rookie Autographs #RA-RM

Raul Mondesi Jr.

$10.00
2016 Bowman Chrome - [Base] - Green Refractor #27

Miguel Sano /99

$12.25
1979 Topps - [Base] #400

Roger Staubach

$10.25
2016 Panini Contenders - [Base] #226

Rookie Ticket Variations - Javon Hargrave

$7.21
2014 Topps Inception - Rookie Autographs #27

Jeremy Hill

$10.25
2013 Upper Deck University of Notre Dame - Autographs #34

Tom Clements

$24.95
1989 Score - [Base] #270

Troy Aikman [BGS 9.5]

$90.00
1993-94 Topps Premier - Black Gold Prizes #B

Winner B (Eric Lindros, Ed Belfour, Ray Bourque, Steve Yzerman, Andrei Kovalenk…

$18.25
2015-16 Upper Deck Ultimate Collection - [Base] - Spectrum Teal Autographed Relic [Autographed] [Memorabilia] #44

Mike Hoffman /25

$15.25
2015-16 Upper Deck - UD Portraits - Gold Foil #P-66

Shane Prince /99

$7.75
2015-16 SPx - [Base] #158

Rookie Auto Jersey - Kevin Fiala /499

$15.25
2016-17 Upper Deck Tim Hortons Collector's Series - Clear Cut Phenoms #CC-14

Nikolaj Ehlers

$8.93
2009-10 Panini Basketball Hall of Fame - Dream Team - Game Threads #6

John Stockton /500

$20.25
2010-11 Panini Gold Standard - [Base] - Signatures [Autographed] #212

Alonzo Mourning /99

$26.00
2014-15 Panini Prestige - Old School Signatures Premium #50

Mark Landsberger /175

$21.25
1997-98 Fleer - Soaring Stars - High Flying #3HFSS

Charles Barkley

$5.25
2016-17 Panini Gold Standard - [Base] #211

Rookie Jersey Autographs - Taurean Prince /199

$50.00

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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.