• 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: 0d 3h 14m
cashforbaseballcards
Port: 1952-2017
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Ends: 4d 19h 14m
$275.00 braves101
Sale - 69% OFF SRP
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Ends: 1d 1h 13m
scottnbridg
Sale - 61% OFF SRP
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Ends: 0d 0h 13m
tgdeschuk
Sale - -5% OFF SRP
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Ends: 4d 9h 34m
crewrunrun

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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1992 Bowman - [Base] #461

Mike Piazza [ENCASED]

$15.40
2006 Topps Heritage - [Base] #1

David Ortiz

$27.00
2002 Upper Deck Sweet Spot Classics - Game-Used Jerseys #J-RS

Ryne Sandberg

$15.59
2011 Topps Finest - [Base] - Refractor Rookie Autographed Dual Relics [Autographed] #83

Zach Britton /499

$10.48
2012 Topps - Gold World Series Pin Card #GWSP-BM

Bill Mazeroski

$15.45
1989 Topps Traded - [Base] #83T

Barry Sanders [PSA 9]

$10.49
1998 Fleer Brilliants - [Base] #120

Peyton Manning

$11.10
2014 SAGE Hit - Autographs - Gold #A7

Jadeveon Clowney /250

$9.99
2015 Panini National Treasures - Friends and Foes Quad #FF-FW

Devonta Freeman, Karlos Williams /99

$5.25
2012 Panini Playbook - [Base] #185

Rookies Booklet Silver - David Wilson /149

$13.00
2015-16 Upper Deck Ultimate Collection - [Base] - Spectrum Silver Autographed Jersey [Autographed] [Memorabilia] #42

Tier 1 - Johnny Gaudreau /99

$50.25
2005-06 Upper Deck - UD Game Jersey Series 1 #J-SY

Steve Yzerman

$7.99
2012-13 SP Authentic - Sign of the Times #SOT-JA

Jake Allen

$6.25
2005-06 Upper Deck Bee Hive - Signature Scrapbook #SS-ZP

Zach Parise

$12.05
2012-13 SP Authentic - [Base] #220

Riley Sheahan /999

$6.61
1983-84 Star - [Base] #39

Nate Archibald

$12.50
1996-97 Topps - Super Team Sweepstakes #DM

Dallas Mavericks Team

$3.75
2014-15 Panini Excalibur - Rookie Rampage Duals #7

Joel Embiid /349

$99.00
2015-16 Panini NBA Hoops - Hot Signatures #HS-JR

Julius Randle

$18.25
2009-10 Crown Royale - [Base] #112

Taj Gibson /599

$4.99

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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.