• 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!

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

1983 Topps - [Base] #83

Ryne Sandberg

1961 Topps - [Base] #35

Ron Santo [Good to VG‑EX]

2001 Topps Heritage - [Base] #11

Derek Jeter

1961 Topps - [Base] #516


1991 Topps - [Base] - Operation Desert Shield #270

Mark McGwire

1997 Pacific Revolution - Ring Bearers #3

Barry Sanders

1964 Philadelphia - [Base] #30

Jim Brown [Poor to Fair]

1955 Topps All American - [Base] #63

Charlie Justice

2016-17 Upper Deck - UD Game Jersey #GJ-EM

Evgeni Malkin

2016-17 SPx - Rookies - Red Jersey [Memorabilia] #R-MM

Mitch Marner /235

2016-17 SPx - Rookies #R-MM

Mitch Marner /399

2016-17 Upper Deck - UD Canvas #C236

Young Guns - Thatcher Demko

2016-17 O-Pee-Chee Platinum - [Base] - Royal Blue Cubes #25

Sidney Crosby /99

2016-17 Panini Revolution - Rookie Revolution #2

Brandon Ingram

2017-18 Panini Contenders Draft Picks - [Base] #64.1

RPS - Bam Adebayo

2014-15 Upper Deck Lettermen - Rookie Premier Lettermen Autographs #RL-CW

C.J. Wilcox /35

2009-10 Upper Deck First Edition - [Base] #196

Stephen Curry

2003-04 Topps Chrome - [Base] #115

Dwyane Wade

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.