• 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

2003 Donruss The Rookies - [Base] - Autographs [Autographed] #12

Luis Ayala /1000

1994 Signature Rookies - Hottest Prospects - Mail-In Promos #S4

Derek Jeter /3000

1971 Topps - [Base] #525

Ernie Banks [Good to VG‑EX]

1996 Upper Deck - Run Producers #RP12

Mark McGwire

1997 Topps Finest - [Base] - Refractor #273

Chipper Jones

2016 Panini Prizm - Rookie Autograph - Prizm #RA-EAP

Eli Apple

2009 Press Pass - Signings - Bronze #PPS - CD

Chase Daniel

1998 Topps Finest - [Base] #135

Randy Moss [PSA 10]

2007 Topps Co-Signers - Rookie Autographs #RA-PW

Patrick Willis

2012 Topps Chrome - [Base] #40.1

Russell Wilson (Throwing Hand Visible)

2016-17 Upper Deck SP Game Used - Banner Year Stanley Cup #BSC-EM

2016 - Evgeni Malkin

2016-17 Upper Deck - [Base] #451

Young Guns - Patrik Laine

2016-17 Upper Deck - UD Canvas #C236

Young Guns - Thatcher Demko

2006-07 Upper Deck Be a Player - Signatures - [Autographed] #PM

Patrick Marleau

2016-17 Upper Deck - [Base] #451

Young Guns - Patrik Laine

2013-14 Panini Select - [Base] #178

Giannis Antetokounmpo

2014-15 Panini Totally Certified - Rookie Roll Call Autographs #RRC-AG

Aaron Gordon /249

1973-74 Topps - [Base] #130

Pete Maravich

2007-08 Upper Deck - [Base] #234

Kevin Durant

2015-16 Panini National Treasures - NBA Rookie Material #34

Devin Booker /99

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.