• The Safe & Easy Way to Buy & Sell Collectibles

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

Sale - 36% OFF SRP
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Ends: 3d 21h 7m
massmediakid
Sale - 69% OFF SRP
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Ends: 4d 15h 8m
tnccardz7282
Sale - 13% OFF SRP
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Ends: 0d 2h 7m
Julian1470
Sale - 48% OFF SRP
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Ends: 2d 10h 7m
HawkDynasty
Port: 2009-2016
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Ends: 5d 17h 15m
flutie13

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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2013 Panini USA Baseball Box Set - Collegiate National Team Autographs #15

Daniel Mengden /399

$5.12
2013 Topps Finest - Autograph Rookie Refractor #RA-AG

Avisail Garcia

$12.25
1994 Leaf - Gold Leaf Stars #3

David Justice /10000

$3.06
2012 Topps Pro Debut - [Base] #11

Kevin Matthews

$2.55
2008 Upper Deck Masterpieces - Stroke of Genius - [Autographed] #SG-EE

Edwin Encarnacion

$24.95
1972 Topps - [Base] #200

Roger Staubach [Good to VG‑EX]

$89.80
2014 SPx - [Base] #72

Rookie Autograph Jersey - Brandin Cooks /425

$45.25
2007 Topps TX Exclusive - Super Bowl Ticket Stubs Autographs #SB-GW

Grant Wistrom

$19.25
2002 Leaf Certified - [Base] #52

Tom Brady

$17.99
2015 Panini Contenders - [Base] #144.1

Rookie Ticket - Jesse James (Base)

$9.99
2016-17 Upper Deck - A Piece of History 1000 Point Club #PC-MH

Marian Hossa

$7.25
2012-13 Fleer Retro - 1994-95 Fleer Rookie Sensations Design Autographs - [Autographed] #9

Jake Allen

$13.00
2016-17 SPx - Rookies #R-AM

Auston Matthews /399

$23.24
2016-17 Upper Deck - [Base] #201

Young Guns - Auston Matthews

$178.25
1973-74 O-Pee-Chee - [Base] #237

Larry Robinson

$49.90
2015-16 Panini Clear Vision - [Base] - Blue #102

Rookies - Devin Booker /149

$15.24
2014-15 Panini Gold Standard - 14K Autographs #6

Kendall Gill /199

$10.25
2005-06 Press Pass - Autographs - Bronze #DAGR

Danny Granger

$10.00
2009-10 Panini - [Base] #372

Stephen Curry

$18.55
2014-15 Panini Luxe - Memorabilia Autographs - Prime #M-JG

Jeff Green /25

$20.25

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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.