• The Safe & Easy Way to Buy & Sell Collectibles

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

Sale - 21% OFF SRP
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Ends: 0d 20h 40m
mrduck
Sale - 39% OFF SRP
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crazychilla
Sale - 39% OFF SRP
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Patlanta7
Sale - 67% OFF SRP
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Ends: 0d 15h 40m
27kills
Sale - 38% OFF SRP
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Ends: 1d 13h 40m
dustin42

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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2011 Bowman - Bowman's Best Prospects #BBP51

Bryce Harper

$10.25
1983 Topps Traded - [Base] #108T

Darryl Strawberry

$18.25
1989 Starting Lineup Cards - [Base] #RYSA

Ryne Sandberg

$10.25
1997 Pacific Crown Collection Prism - Gate Attractions #GA-13

Mark McGwire

$35.25
2016 Bowman's Best - Best of 2016 Autographs #B16-TA

Tim Anderson

$8.25
1989 Swell Football Greats - [Base] #127

O.J. Simpson

$4.15
2013 Bowman Sterling - Autographs #BSA-JB

Joique Bell

$3.25
2016 Panini Infinity - Infinite Ink #II-CJ

C.J. Anderson /388

$8.50
2016 Donruss - Passing the Torch Dual Jerseys #6

Cris Carter, Stefon Diggs

$9.05
2016 Donruss Elite - Field Vision #FV-TB

Tom Brady

$5.25
2015-16 Upper Deck - [Base] #201

Young Guns - Connor McDavid

$488.12
1988-89 Topps - [Base] #66

Brett Hull

$15.25
2002-03 Topps Heritage - Real One Autographs #RO-CD

Chris Drury

$8.75
2016-17 Upper Deck - [Base] #201

Young Guns - Auston Matthews

$210.00
2016-17 Upper Deck - O-Pee-Chee Update - Rainbow Foil #694

Marquee Rookies - Auston Matthews

$8.25
2007-08 Press Pass Legends - Saturday Signatures - [Autographed] #GEKA

George Karl

$19.75
2005-06 Topps Chrome - [Base] #168

Chris Paul

$8.25
1995-96 Topps Finest - [Base] #229

Michael Jordan

$15.25
2007-08 Fleer Ultra - Rising Stars #RS-1

Kevin Durant

$24.05
2015-16 Panini Prizm - Rookie Signatures #RS-SD

Sam Dekker

$11.20

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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.