• 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!

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

1982 Donruss - [Base] #405

Cal Ripken Jr.

2015 Topps Finest - Autographs - Blue Refractor #FA-JL

Jake Lamb /150

1954 Topps - [Base] #197

Schoolboy Rowe

2012 Topps Finest - [Base] - Refractor #73

Bryce Harper

2012 Panini Prizm - Autographs #JD

J.D. Martinez

2014 Panini National Treasures - [Base] #224

Rookie Signatures - Alfred Blue /99

1988 Kenner Starting Lineup Cards - Toys [Base] #JERI

Jerry Rice

2005 Score - [Base] #352

Aaron Rodgers

1955 Bowman - [Base] #119

Frank Gatski [Good to VG‑EX]

1968 Topps - [Base] #163

Andy Russell

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

Nicolas Petan /99

2015-16 Upper Deck Tim Hortons Collector's Series - Franchise Force #FF-11

Sidney Crosby

2014-15 O-Pee-Chee Platinum - [Base] - Rainbow #194

Johnny Gaudreau

2016-17 Upper Deck - O-Pee-Chee Update - Retro #694

Marquee Rookies - Auston Matthews

2016-17 Upper Deck - O-Pee-Chee Update - Retro #694

Marquee Rookies - Auston Matthews

2015-16 Panini Prizm - Rookie Signatures #RS-DR

D'Angelo Russell

1994-95 Fleer Ultra - NBA All-Rookie #2

Anfernee Hardaway

2015-16 Panini Totally Certified - [Base] - Mirror Blue #188

Rookies - Jahlil Okafor /99

2015-16 Panini Court Kings - Art Nouveau Jerseys #2

D'Angelo Russell /299

1996-97 Upper Deck - Redemption Predictors Series 1 #P3

Michael Jordan

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.