• The Safe & Easy Way to Buy & Sell Collectibles

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

Sale - 57% OFF SRP
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Ends: 1d 16h 17m
mjohnatgt
Sale - 23% OFF SRP
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Ends: 0d 12h 17m
jpwillis3
Sale - 54% OFF SRP
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Ends: 0d 8h 17m
VintageVinny
Port: 1973-2017
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Ends: 1d 4h 18m
$1,134.00 inserts
Sale - 41% OFF SRP
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Ends: 3d 17h 36m
actis1

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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1964 Topps - [Base] #563

Dal Maxvill

$12.00
2011 Bowman Draft Picks & Prospects - [Base] #101

Mike Trout

$31.45
1965 Topps - [Base] #11

Al Downing, Camilo Pascual, Dean Chance [Good to VG‑EX]

$3.95
2014 Topps - Class Rings - Silver #CR-23

Ken Griffey Jr.

$16.45
1956 Topps - [Base] #72.2

Philadelphia Phillies Team (Gray Back, Team Name Centered)

$20.00
2006 SP Authentic - [Base] #201

Greg Jennings /1175

$6.69
2011 Topps Chrome - [Base] - Rookie Autograph [Autographed] #37

Aldon Smith

$14.99
2013 Panini Contenders - [Base] #208

Eddie Lacy

$27.75
2016 Upper Deck USA Football - USA U17 Dual Autos #DA-SR

Ian Roberts, Jesse Sims

$13.50
2014 Panini Black Gold - Golden Opportunity Dual Jerseys #GO-DEN

Demaryius Thomas, Cody Latimer /149

$5.24
2016-17 Upper Deck - UD Canvas #C232

Young Guns - Artturi Lehkonen

$10.25
1999-00 SPx - [Base] #164

Daniel Sedin /1999

$15.25
2014-15 Upper Deck - UD Canvas #C185

Sidney Crosby

$14.20
2015-16 SP Authentic - Great White North Autographs #GWN-SR

Sam Reinhart

$15.00
2015-16 O-Pee-Chee Platinum - Marquee Rookies #M1

Connor McDavid

$17.75
1995-96 Topps Finest - [Base] - Refractor #190

Grant Hill

$12.25
1993-94 Upper Deck - Locker Talk #LT1

Michael Jordan

$9.89
2006-07 SPx - [Base] #12

Michael Jordan

$14.25
2013-14 Panini Pinnacle - Autographs #76

Giannis Antetokounmpo

$135.99
2011-12 Past & Present - Breakout - Signatures [Autographed] #26

Gordon Hayward

$22.25

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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.