• 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

1970 Kellogg's 3-D Super Stars - [Base] #12

Willie Mays

2011 Bowman Sterling - Rookie Certified Autographs #5

Julio Teheran

2011 Topps Tier One - Crowd Pleaser Autographs - [Autographed] #CP- JC

Johnny Cueto /699

1997 Fleer Ultra - Top 30 - Gold Die-Cut #20

Ryne Sandberg

2016 Topps Allen & Ginter's - Relics A #FSRA-HS

Hannah Storm

2014 Panini Spectra - [Base] #269

Rookie Autographs - Orleans Darkwa /149

2014 Panini Contenders - Rookie Ticket Swatches #RTS-27.1

Odell Beckham Jr.

2011 Panini Gold Standard - [Base] #260

Mark Ingram /319

1978 Topps - [Base] #315

Tony Dorsett [Good to VG‑EX]

2013 Upper Deck University of Notre Dame - Autographs #18

Tom Gatewood

2010-11 Ultimate Collection - [Base] #88

Mats Zuccarello /399

2014-15 Upper Deck - Hockey Heroes 2000's #HH78

Nicklas Lidstrom, Martin Brodeur

2007-08 Upper Deck MVP - [Base] #351

Jonathan Toews

2016-17 Upper Deck SP Game Used - [Base] - Red Auto Material [Autographed] [Memorabilia] #189

Authentic Rookies - Anthony DeAngelo

1979-80 Topps - [Base] #131


2013-14 Panini National Treasures - [Base] #102

Luigi Datome /99

2014-15 Panini Donruss - The Rookies - Swirlorama #3

Joel Embiid

2015-16 Panini Prizm - Autographs #P-RSM

Rik Smits

1984-85 Star - [Base] #284

Bernard King

1995-96 SP Championship Series - Championship Shots - Gold #S4

Anfernee Hardaway

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.