• 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

2011 Bowman Sterling - MLB Future Stars Autographs #BSP-DV

Dan Vogelbach

2017 Topps Heritage - [Base] #444.1

High Number SP - Gary Sanchez (Base)

1989 Upper Deck - [Base] #1

Ken Griffey Jr.

2014 Panini Prizm - [Base] - Red, White, & Blue Pulsar Prizms #159

Cal Ripken Jr.

2016 Topps Chrome - [Base] - Refractor #3.2

Francisco Lindor (Diving Slide)

2012 Topps Chrome - [Base] #40.1

Russell Wilson (Throwing Hand Visible)

1976 Topps - [Base] #395

Roger Staubach

1984 Topps USFL - [Base] #109

Mike Rozier

1998 Upper Deck Encore - [Base] #12

Randy Moss

1993 Upper Deck SP - All-Pros #AP7

Emmitt Smith

2006-07 Upper Deck Trilogy - Honorary Swatches #HS-DS

Darryl Sittler

2016-17 Upper Deck SP Game Used - [Base] - Blue Auto [Autographed] #180

Authentic Rookies - Connor Brown

2013-14 Panini Prime - Prime Duals #D-KD

Pavel Datsyuk, Phil Kessel /150

2015-16 Upper Deck - Day with the Cup #DC10

Brad Richards

2015-16 Upper Deck - [Base] #228

Young Guns - Dylan Larkin

1984-85 Star - [Base] #108

Caldwell Jones

2015-16 Panini Absolute - NBA Stars Materials #9

Andrew Wiggins /99

2009-10 Panini - [Base] #357

Stephen Curry

1996-97 UD3 - Superstar Spotlight #S3

Anfernee Hardaway

1986-87 Fleer - [Base] #77

Chris Mullin

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.