• 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

2006 Topps - Multi-Year Issue Mickey Mantle Home Run History #MHR431

Mickey Mantle

1957 Topps - [Base] #250

Eddie Mathews [Good to VG‑EX]

2013 Topps - Manufactured Commemorative Patch #CP-2

Dustin Pedroia

2013 Bowman Draft Picks & Prospects - Draft Picks #BDPP19

Aaron Judge

2014 Bowman Sterling - Prospect Autographs #BSPA-DF

Derek Fisher

2013 Panini Prizm - [Base] - Rated Rookie Manufactured Patch #296

Tyrann Mathieu

2016 Score - [Base] - Rookie Signatures [Autographed] #407

Jaylon Smith

1997 Pacific Invincible - [Base] - Copper #53

Brett Favre

2016 Donruss - [Base] #368

Rated Rookies - Ezekiel Elliott

2011 Topps Chrome - [Base] - Rookie Autograph [Autographed] #93

Randall Cobb

2015-16 Upper Deck Ultimate Collection - [Base] #115

Autographed Ultimate Rookies - Tier 2 - Noah Hanifin /99

2015-16 Upper Deck Ultimate Collection - [Base] - Spectrum Silver Autographed Jersey [Autographed] [Memorabilia] #17

Tier 1 - Joe Pavelski /99

2015-16 Upper Deck Ultimate Collection - 2005-06 Ultimate Rookies - Spectrum Silver Auto Jersey [Autographed] [Memorabilia] #05-FA

Radek Faksa /99

2015-16 SP Game-Used - [Base] - Blue Autographs [Autographed] #27

Veterans - Mikael Granlund

2015-16 Upper Deck Ultimate Collection - [Base] #61

Autographed Ultimate Rookies - Tier 1 - Frank Vatrano /299

2015-16 Panini Excalibur - Regal Endorsements #RE-DNS

Don Nelson /234

1988-89 Fleer - [Base] #20

Scottie Pippen

1971-72 Topps - Trios Stickers #23A

ABA Team Logos [Good to VG‑EX]

2015-16 Panini Court Kings - Heir Apparent #HA-JEG

Jerian Grant

2013-14 Panini Prizm - [Base] #290

Giannis Antetokounmpo [PSA 10]

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.