• 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.

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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

1999 Bowman - Autographs - Blue #BA6

Darnell McDonald

2017 Topps Heritage - [Base] #214.1

Rookie Stars - Aaron Judge, Tyler Austin (Base)

1959 Topps - [Base] #525

Jim Coates [Good to VG‑EX]

2015 Topps Tier One - Acclaimed Autographs #AA-CD

Carlos Delgado /399

2011 Donruss Elite Extra Edition - Franchise Futures Signatures #153

Rookie Davis /653

2007 Playoff Prestige - [Base] #189

Patrick Willis

2016 Panini Contenders - [Base] - Playoff Ticket #286

Rookie Ticket Variations - Nick Kwiatkoski /99

2014 Panini Contenders - Rookie Ink #25

Aaron Donald

1998 Upper Deck Black Diamond Rookies - [Base] #91

Peyton Manning

2015 Panini National Treasures - Rookie Material Signatures RPS #RMSR-PD

Phillip Dorsett /99

2016-17 Upper Deck Tim Hortons Collector's Series - Franchise Force #FF-11

Alexander Ovechkin

2014-15 Upper Deck - [Base] #248

Evgeny Kuznetsov

2005-06 SP Authentic - [Base] #150

Peter Budaj /999

1979-80 Topps - [Base] #261

New NHL Entries

2016-17 Upper Deck - [Base] #451

Young Guns - Patrik Laine

2016-17 Panini Donruss Optic - [Base] - Holo #151

Ben Simmons

2009-10 Panini Prestige - [Base] #207

Stephen Curry

2015-16 Panini Revolution - [Base] - Sunburst #36

Russell Westbrook /75

2016-17 Panini Totally Certified - Rookie Roll Call Autographs #25

Tyler Ulis

1993-94 Topps Finest - [Base] - Refractor #118

David Robinson

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.