• The Safe & Easy Way to Buy & Sell Collectibles

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

Sale - 46% OFF SRP
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Ends: 3d 10h 54m
dustin42
Sale - 61% OFF SRP
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Ends: 6d 16h 54m
swilson
Sale - 68% OFF SRP
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Ends: 2d 16h 54m
tnccardz7282
Sale - 32% OFF SRP
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Ends: 4d 7h 54m
Fishtale
Sale - 71% OFF SRP
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Ends: 2d 23h 54m
HighNumberMonster

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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2016 Bowman Chrome - Prospects Autographs - Refractor #BCAP-STR

Sam Travis /499

$29.25
2015 Bowman Draft - Chrome Draft Pick Autographs #BCA-KHA

Ke'Bryan Hayes

$14.20
2007 UD Masterpieces - Captured on Canvas #CC-MR

Mariano Rivera

$9.00
2012 SP Signature Edition - Triple Signatures #SEA14

Nick Franklin, Michael Saunders, Justin Smoak

$6.20
2011 Bowman Sterling - MLB Future Stars Autographs #BSP-DV

Dan Vogelbach

$10.99
2012 Topps - Prolific Playmakers Autographs - [Autographed] #PPA-SR

Sidney Rice

$4.30
2012 Panini Prizm - [Base] #230

Russell Wilson

$8.50
2014 Topps Chrome - [Base] #173.2

Teddy Bridgewater (Ball at Chest)

$12.75
1998 Skybox Premium - Autographics - Black #TRBR

Troy Brown

$19.00
2015 Panini Crown Royale - [Base] #131

Rookies - Trevor Siemian

$10.00
2013-14 SP Authentic - [Base] #307

Danny DeKeyser /999

$8.49
2016-17 SPx - [Base] - Blue Autographs [Autographed] #59

Shadow Box Rookies - Connor Brown /199

$34.25
2016-17 SPx - [Base] - Red Material [Memorabilia] #67

Shadow Box Rookies - Matthew Tkachuk /149

$11.50
2016-17 Upper Deck - [Base] #201

Young Guns - Auston Matthews

$225.20
1997-98 Pacific Dynagon - Tandems #19

Wayne Gretzky, Mark Messier, Brian Leetch

$25.25
2012-13 Elite - Turn of the Century Die-Cut Autographs #2

Muggsy Bogues /199

$16.75
1983 Star NBA All-Star Game - [Base] #29

Boston Bombers (East Box Score)

$9.25
2013-14 Panini Innovation - Rookie Jumbo Jerseys #16

Giannis Antetokounmpo /199

$45.00
1997-98 Topps Stadium Club - Hardcourt Heroics #H1

Michael Jordan

$7.99
2013-14 Panini Prizm - [Base] #290

Giannis Antetokounmpo [PSA 10]

$91.00

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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.