• 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: 2d 0h 27m
$1,500.00 rambel
Sale - 67% OFF SRP
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Ends: 0d 12h 2m
PhoenixSportscards
Sale - 43% OFF SRP
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Ends: 4d 22h 3m
MyCoolectibles
Port: 1941-2017
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Ends: 4d 7h 34m
$1,199.00 barnballer69
Sale - 56% OFF SRP
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Ends: 1d 0h 3m
TysonKSK

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.

Buy Cards

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!

Sell Cards

The Safe and Easy Way to Buy and Sell Cards Online

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2017 Bowman - Chrome ROY Favorites #ROYF-9

Aaron Judge

$13.75
2015 Bowman Chrome - Prospects - Refractor #BCP250

Corey Seager /499

$15.25
2016 Bowman - Chrome Prospect Autographs - Blue Refractor #CPA-MZ

Mark Zagunis /150

$27.00
1982 Topps - [Base] #21

Bobby Bonner, Cal Ripken Jr., Jeff Schneider [PSA 9]

$99.00
2016 Bowman Chrome - Prospects Autographs #BCAP-JJ

Jahmai Jones

$15.25
2012 Crown Royale - [Base] - Silver Holo-Foil #205

Kirk Cousins /149

$12.25
2016 Panini Origins - Rookie Jumbo Patch Autographs #RJPA-WS

Wendell Smallwood

$9.25
1968 Topps - [Base] #163

Andy Russell

$12.25
2014 Topps Chrome - [Base] - Black Refractor #144

AJ McCarron /299

$8.25
2015 Topps Field Access - [Base] - Autographs [Autographed] #96

James White

$15.25
1997-98 Pacific Dynagon - Tandems #19

Wayne Gretzky, Mark Messier, Brian Leetch

$25.25
2016-17 SPx - [Base] #53

Shadow Box Rookies - Anthony Mantha /249

$4.75
2014-15 SP Authentic - Upper Deck Update #512

Jaromir Jagr

$7.95
2013-14 Panini Rookie Anthology - Prizm Update #332

Nathan MacKinnon

$8.25
2005-06 Upper Deck Ice - Glacial Graphs - [Autographed] #GG-TV

Thomas Vanek

$8.23
2013-14 Panini Timeless Treasures - Treasured Picks Jerseys #12

C.J. McCollum

$5.00
2016-17 Panini Court Kings - [Base] #101

Rookies I - Ben Simmons

$22.00
1988-89 Fleer Super Star Sticker - [Base] #7

Michael Jordan

$6.75
1974-75 Topps - [Base] #1

Kareem Abdul-Jabbar [Good to VG‑EX]

$8.75
1970-71 Topps - [Base] #137

Calvin Murphy [Good to VG‑EX]

$10.25

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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.