• The Safe & Easy Way to Buy & Sell Collectibles

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

Port: 1926-2016
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Ends: 2d 19h 34m
$500.00 shelby
Sale - 71% OFF SRP
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Ends: 6d 21h 13m
LORDSTANLEY2012
Port: 2010-2017
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Ends: 1d 4h 54m
$3,000.00 dogracer11
Sale - 50% OFF SRP
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Ends: 0d 18h 13m
stanzielinski
Sale - 47% OFF SRP
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Ends: 0d 20h 13m
JTCards

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!

14 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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1965 Topps - [Base] #236

Denny McLain [Good to VG‑EX]

$7.82
1996 Leaf Signature Series - Autographs - Bronze #SCBR

Scott Brosius

$5.25
2017 Topps - MLB Spring Training Logo Patch #MLBST-CK

Clayton Kershaw

$10.24
2007 USA Baseball - National Signature - Black Ink #A-18

Jake Arrieta /595

$69.99
2016 Bowman's Best - Top Prospects - Atomic Refractor #TP-20

Clint Frazier

$12.00
2016 Panini Rookies & Stars - [Base] #179

Rookies One Star - Dak Prescott

$13.24
2013 Upper Deck University of Notre Dame - Autographs #44

Frank Stams

$19.95
1969 Topps - [Base] #210

Dave Edwards

$6.25
2016 Panini Contenders Draft Picks - [Base] #223

College Ticket - Jalin Marshall

$7.25
2008 Donruss Threads - [Base] #273

Steve Slaton /120

$18.25
2014-15 Upper Deck Trilogy - Signature Pucks - Primary Logo #SP-TY

Tyler Toffoli

$17.25
2016-17 SPx - [Base] - Blue Autographs [Autographed] #64

Shadow Box Rookies - Dylan Strome /199

$12.74
2016-17 Upper Deck - [Base] - Exclusives #43

Marian Hossa /100

$6.99
2013-14 Totally Certified - Certified Competitors Dual Jerseys - Red #CC-KR

Patrick Kane, Tuukka Rask

$25.25
2016-17 Upper Deck MVP - [Base] - Colors & Contours #300

Level 3 Purple - Connor McDavid

$16.25
2014-15 Panini Donruss - The Rookies - Swirlorama #1

Andrew Wiggins

$13.00
2015-16 Panini NBA Hoops - End 2 End #2

Stephen Curry

$7.99
2016-17 Panini Donruss Optic - Rookie Kings #2

Ben Simmons

$6.25
2014-15 Panini Prestige - Mystery Rookies #27

Jordan Clarkson

$9.22
1986-87 Fleer - [Base] #12

Manute Bol

$8.25

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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.