• The Safe & Easy Way to Buy & Sell Collectibles

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

Port: 2012-2013
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JRCards
Sale - 67% OFF SRP
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dirt1025
Sale - 75% OFF SRP
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jmash24
Sale - 57% OFF SRP
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mjohnatgt
Sale - 45% OFF SRP
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sportscardstreasures

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.

Buy Cards

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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2017 Topps Heritage - [Base] - Chrome Rookie Stars #113

Yulieski Gurriel, Alex Bregman /999

$6.98
2014 Topps Heritage High Number - [Base] #H557

George Springer

$12.21
1974 Topps - [Base] #250.2

Willie McCovey (Washington) [Good to VG‑EX]

$6.95
1982 Topps Traded - [Base] #109T

Ozzie Smith

$11.25
2008 Topps - Factory Set Mickey Mantle Chrome - Gold Refractor #MMR-52

Mickey Mantle

$15.25
2005 Upper Deck Rookie Debut - Debut Ink #DI-FR

Frank Gore

$19.99
1970 Topps - [Base] #90

O.J. Simpson [Poor to Fair]

$11.47
2000 Fleer Tradition - Autographics #SHAL

Shaun Alexander

$20.24
2007 Topps TX Exclusive - Super Bowl Ticket Stubs Autographs #SB-GW

Grant Wistrom

$19.25
2014 Topps Five Star - Autographs #FSA-RJ

Rashad Jennings

$6.73
2016-17 SPx - Rookies - Blue Autograph [Autographed] #R-ZW

Zach Werenski /165

$14.73
2016-17 SPx - [Base] - Gold Premium Material Autographs [Autographed] [Memorabilia] #75

Shadow Box Rookies - Auston Matthews /99

$469.75
2015-16 Upper Deck Ultimate Collection - Ultimate Rookie Auto Booklet Relics #RBR-JV

Tier 1 - Jake Virtanen /99

$12.25
2016-17 Upper Deck - [Base] #249

Young Guns - William Nylander

$25.25
2016-17 SPx - [Base] - Blue Autographs [Autographed] #59

Shadow Box Rookies - Connor Brown /199

$34.25
1975-76 Topps - [Base] #300

Julius Erving

$12.95
2014-15 Panini Totally Certified - Clear Cloth Jersey - Red #70

Jimmy Butler /299

$5.00
2015-16 Panini Select - [Base] - Silver Prizms #226

Courtside - D'Angelo Russell

$6.20
1998-99 Skybox Molten Metal - Fusion #8F

Heavy Metal - Reggie Miller

$14.50
1987-88 Fleer - Stickers #2

Michael Jordan [PSA 8]

$120.00

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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.