• 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

1996 Pinnacle - Starburst - Artist Proof #190

Jeff Bagwell

1970 Topps - [Base] #462

Hank Aaron [Good to VG‑EX]

1993 Pinnacle - [Base] #457

Derek Jeter

1991 Score Rookie & Traded - Box Set [Base] #82T

Ivan Rodriguez [PSA 9]

1996 Pinnacle Summit - Ballparks #6

Derek Jeter /8000

2012 Totally Certified - [Base] - Platinum Red #219

Lamar Miller /199

2005 Score - [Base] #352

Aaron Rodgers

1973 Topps - [Base] #115

Jack Ham

2013 Topps - 1965 Topps Mini Rookie Autographs - [Autographed] #29

Mike Gillislee

2012 Topps Chrome - [Base] #40.1

Russell Wilson (Throwing Hand Visible)

2015-16 Upper Deck Premier - [Base] #64

Premier Rookie Autograph - Anthony Stolarz /399

2016-17 Upper Deck - [Base] #201

Young Guns - Auston Matthews

2013-14 Upper Deck - Rookie Materials #RM-NM

Nathan MacKinnon

2016-17 Upper Deck - UD Canvas #C243

Retired Stars - Mario Lemieux

1981-82 O-Pee-Chee - [Base] #111

Paul Coffey

1996-97 EX2000 - [Base] #30

Kobe Bryant

2005-06 Topps Chrome - [Base] #168

Chris Paul

2013-14 Panini Prizm - Autographs #26

Kelly Olynyk

2003-04 Topps Contemporary Collection - [Base] #135

Jalen Rose /499

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.