• 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!

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!

Sell Cards

The Safe and Easy Way to Buy and Sell Cards Online

Shop Recently Added

2015 Topps Allen & Ginter's - Framed Mini Relics #FMR-RO

Rougned Odor

2014 Bowman Sterling - Prospect Autographs #BSPA-JC

J.P. Crawford

2015 Bowman Inception - Prospect Autographs #PA-AM

Austin Meadows

1968 Topps - [Base] #290

Willie McCovey [Good to VG‑EX]

1998 Collector's Edge Odyssey - [Base] - Level 1 Galvanized #215G

Dan Marino

2016 Panini Rookies & Stars - [Base] #240

Rookies Two Star - Tyreek Hill

2014 Topps Valor - Shield of Honor Patch Autograph #SOH-DT

De'Anthony Thomas

2003 Bowman - [Base] #257

Troy Polamalu

2008 Score Select - [Base] #333

Matt Ryan /999

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

Tier 1 - Johnny Gaudreau /99

2016-17 Upper Deck - UD Canvas #C236

Young Guns - Thatcher Demko

2016-17 Upper Deck - [Base] - Exclusives #202

Young Guns - Lawson Crouse /100

2015-16 Upper Deck - [Base] #201

Young Guns - Connor McDavid

2000-01 In the Game Be A Player Signature Series Autographs - [Base] #177

John Madden

1993-94 Skybox Premium - Dynamic Dunks #D4

Michael Jordan

2013-14 Panini Titanium - Draft Day Autographs #7

Rudy Gobert

2015-16 Panini Gala - Primetime Rookie Memorabilia #5

Karl-Anthony Towns /60

1986-87 Fleer - [Base] #131

James Worthy

1986-87 Fleer - [Base] #31

Julius Erving

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.