• The Safe & Easy Way to Buy & Sell Collectibles

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

Port: 2007-2016
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Ends: 1d 22h 37m
$1,500.00 rambel
Sale - 75% OFF SRP
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Ends: 0d 22h 13m
investinink
Sale - -10% OFF SRP
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Ends: 3d 16h 13m
Joeybats19
Port: 1992-2015
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Ends: 3d 23h 10m
$2,000.00 kkmill
Port: 1985-2016
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Ends: 2d 2h 2m
Canadaice99

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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2006 Topps - Multi-Year Issue Mickey Mantle Home Run History #MHR431

Mickey Mantle

$8.25
1957 Topps - [Base] #250

Eddie Mathews [Good to VG‑EX]

$10.25
2013 Topps - Manufactured Commemorative Patch #CP-2

Dustin Pedroia

$18.24
2013 Bowman Draft Picks & Prospects - Draft Picks #BDPP19

Aaron Judge

$50.00
2014 Bowman Sterling - Prospect Autographs #BSPA-DF

Derek Fisher

$8.94
2013 Panini Prizm - [Base] - Rated Rookie Manufactured Patch #296

Tyrann Mathieu

$7.25
2016 Score - [Base] - Rookie Signatures [Autographed] #407

Jaylon Smith

$13.75
1997 Pacific Invincible - [Base] - Copper #53

Brett Favre

$20.25
2016 Donruss - [Base] #368

Rated Rookies - Ezekiel Elliott

$12.98
2011 Topps Chrome - [Base] - Rookie Autograph [Autographed] #93

Randall Cobb

$15.25
2015-16 Upper Deck Ultimate Collection - [Base] #115

Autographed Ultimate Rookies - Tier 2 - Noah Hanifin /99

$50.25
2015-16 Upper Deck Ultimate Collection - [Base] - Spectrum Silver Autographed Jersey [Autographed] [Memorabilia] #17

Tier 1 - Joe Pavelski /99

$20.25
2015-16 Upper Deck Ultimate Collection - 2005-06 Ultimate Rookies - Spectrum Silver Auto Jersey [Autographed] [Memorabilia] #05-FA

Radek Faksa /99

$19.25
2015-16 SP Game-Used - [Base] - Blue Autographs [Autographed] #27

Veterans - Mikael Granlund

$5.00
2015-16 Upper Deck Ultimate Collection - [Base] #61

Autographed Ultimate Rookies - Tier 1 - Frank Vatrano /299

$8.25
2015-16 Panini Excalibur - Regal Endorsements #RE-DNS

Don Nelson /234

$10.24
1988-89 Fleer - [Base] #20

Scottie Pippen

$15.25
1971-72 Topps - Trios Stickers #23A

ABA Team Logos [Good to VG‑EX]

$11.14
2015-16 Panini Court Kings - Heir Apparent #HA-JEG

Jerian Grant

$14.95
2013-14 Panini Prizm - [Base] #290

Giannis Antetokounmpo [PSA 10]

$90.55

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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.