• 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

2015 Bowman Chrome - Prospects - Gold Refractor #BCP223

Bradley Zimmer /50

1967 Topps - [Base] #556

Al Weis [Good to VG‑EX]

1997 Donruss Signature Series - Authentic Signature #BRBU

Brett Butler

1961 Nu-Cards Baseball Scoops - [Base] #457

Ted Kluszewski [Good to VG‑EX]

2017 Topps Archives - 1960 Rookie Stars #RS-9

Aaron Judge

2004 Upper Deck NFL Players Rookie Premiere - [Base] #2

Ben Roethlisberger

2014 Panini Prizm - Autographed Rookie #AR-CL

Cody Latimer

2011 Certified - Fabric of the Game #58

Dan Hampton /250

2003 Topps - [Base] #372

Jason Witten

1967 Topps - [Base] #123

Lance Alworth [Good to VG‑EX]

2016-17 Upper Deck SP Game Used - [Base] - Blue Auto [Autographed] #180

Authentic Rookies - Connor Brown

2015-16 Upper Deck Ultimate Collection - Ultimate Signatures #US-BS

Brady Skjei

2014-15 Upper Deck Trilogy - Tryptichs - Jerseys #T-DRW2

Steve Yzerman /400

2016-17 Upper Deck - [Base] #201

Young Guns - Auston Matthews [BGS 9.5]

2013-14 Upper Deck Artifacts - Autofacts #A-SM

Brendan Smith

1997-98 Skybox Premium - Autographics - [Autographed] #DAFO

Danny Fortson

2012-13 Panini Preferred - Signatures - Blue #147

Kurt Rambis /49

2013-14 Panini Crusade - Apprentice Signatures #23

Matthew Dellavedova

1971-72 Topps - [Base] #1

Oscar Robertson

2005-06 Topps Finest - [Base] - Red X-Fractor #7

Grant Hill /139

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.