• 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

2017 Topps Baseball Continuity Program Chrome 1987 Design Refractor - [Base] #87-AB

Andrew Benintendi

2017 Bowman - Chrome Bowman Scouts Top 100 #BTP-17

Cody Bellinger

2003 Topps Heritage - [Base] #10.2

Derek Jeter (Brown Background)

2012 Panini Cooperstown - Cooperstown Signatures #FFA-VAN

Dave Van Horne /500

1989 Score - [Base] #257

Barry Sanders

1999 Topps Finest - [Base] - Refractor #142

Peyton Manning

1995 Superior Pix - [Base] - Autographs [Autographed] #3

Steve McNair /3000

2014 Panini Select - Select Rookies Jersey - Fuchsia Prizm #RJ-DC

Derek Carr /199

2016 Donruss Optic - [Base] #168

Rated Rookies - Ezekiel Elliott

2012-13 Upper Deck - [Base] #237

Chris Kreider

2012-13 Fleer Retro - 1994-95 Fleer Rookie Sensations Design Autographs - [Autographed] #9

Jake Allen

2016-17 Upper Deck - A Piece of History 1000 Point Club #PC-MH

Marian Hossa

2012-13 Upper Deck - Silver Skates #SS38

Sidney Crosby

2016-17 Upper Deck - NHL Firsts #NF-23

Achievement - Auston Matthews

2009-10 Panini Basketball Hall of Fame - Dream Team - Game Threads #6

John Stockton /500

1986-87 Fleer - Stickers #1

Kareem Abdul-Jabbar

2016-17 Panini Prizm - Rookie Jerseys #87

Jamal Murray

2007-08 Topps Chrome - [Base] #131

Kevin Durant [BGS 9]

2013-14 Panini Select - Rookie Jerseys Autographs #7

Otto Porter

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.