• The Safe & Easy Way to Buy & Sell Collectibles

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

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!

Sell Cards

The Safe and Easy Way to Buy and Sell Cards Online

Shop Recently Added

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

Yulieski Gurriel, Alex Bregman /999

2014 Topps Heritage High Number - [Base] #H557

George Springer

1982 Topps Traded - [Base] #109T

Ozzie Smith

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

Mickey Mantle

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

Frank Gore

1970 Topps - [Base] #90

O.J. Simpson [Poor to Fair]

2000 Fleer Tradition - Autographics #SHAL

Shaun Alexander

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

Grant Wistrom

2014 Topps Five Star - Autographs #FSA-RJ

Rashad Jennings

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

Zach Werenski /165

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

Shadow Box Rookies - Auston Matthews /99

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

Tier 1 - Jake Virtanen /99

2016-17 Upper Deck - [Base] #249

Young Guns - William Nylander

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

Shadow Box Rookies - Connor Brown /199

1975-76 Topps - [Base] #300

Julius Erving

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

Jimmy Butler /299

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

Courtside - D'Angelo Russell

1998-99 Skybox Molten Metal - Fusion #8F

Heavy Metal - Reggie Miller

1987-88 Fleer - Stickers #2

Michael Jordan [PSA 8]

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.