• The Safe & Easy Way to Buy & Sell Collectibles

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

Port: 2011-2017
Preview
Ends: 5d 2h 55m
$750.00 mbarnes1546
Port: 1967-2017 Baseball
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Ends: 6d 21h 9m
$135.00 Robert924
Port: 1994-2016 Football
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Ends: 4d 10h 36m
$399.00 collectorstore
Port: 2001-2016
Preview
Ends: 1d 9h 48m
luchcards16
Port: 1980-2016
Preview
Ends: 2d 10h 35m
$925.00 Max_Powers_81

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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1961 Topps - [Base] #429

Al Kaline [Good to VG‑EX]

$8.25
1958 Topps - [Base] #320

Whitey Ford [Good to VG‑EX]

$13.45
2015 Bowman Draft - Chrome - Refractor #182

Andrew Benintendi

$8.75
2013 Bowman Draft Picks & Prospects - Chrome Prospect Autographs - Refractor #BCA-HD

Hunter Dozier

$16.30
1958 Topps - [Base] #475

All-Star Managers (Casey Stengel, Fred Haney) [Good to VG‑EX]

$10.25
2015 Panini Spectra - Signatures #S-DM

Don Majkowski /99

$16.25
1974 Topps - Team Checklist #NYG

New York Giants

$6.25
2015 Topps Chrome - 60th Anniversary - Wal-Mart Relics [Memorabilia] #T60R-JW

Jameis Winston

$6.99
2015 Panini Contenders - [Base] #144.1

Rookie Ticket - Jesse James (Base)

$13.99
2011 Certified - [Base] - Mirror Red Signatures [Autographed] #155

Aldon Smith /250

$5.65
1980-81 Topps - [Base] #250

Wayne Gretzky

$40.25
2014-15 SP Authentic - [Base] #251

John Klingberg /999

$17.25
2013-14 Upper Deck - [Base] #230

Vladimir Tarasenko

$38.25
2016-17 Upper Deck MVP - [Base] - Colors & Contours #254

Level 3 Purple - Drew Doughty

$12.99
2016-17 Upper Deck - UD Canvas #C218

Young Guns - Matthew Tkachuk

$10.57
1992-93 Upper Deck - 15,000 Point Club #PC4

Michael Jordan

$19.20
2009-10 Upper Deck Jordan Legacy - Box Loader Jumbo #MJ7

Michael Jordan NBA All-Star

$9.45
2014-15 Panini Select - [Base] - Copper Prizm #231

Courtside - Shaquille O'Neal /49

$9.25
1986-87 Fleer - Stickers #10

Isiah Thomas

$10.25
1998-99 Topps Stadium Club - Statliners #S2

Michael Jordan

$9.25

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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.