• 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

1972 Topps - [Base] #719

Cesar Geronimo [Good to VG‑EX]

1957 Topps - [Base] #301

Sammy Esposito

2016 Topps Chrome - [Base] - Purple Refractor #50

Kris Bryant /275

2017 Bowman - Chrome Prospect Autographs #CPA-TS

Thomas Szapucki

1966 Topps - [Base] #523

Bob Sadowski

2011 Topps Chrome - [Base] - Gold Refractor #117

Cameron Heyward /50

2014 Panini National Treasures - Signatures #S-GB

Giovani Bernard /35

1998 Bowman Chrome - [Base] #1

Peyton Manning [BGS 9]

1978 Topps - [Base] #315

Tony Dorsett

2006 SP Authentic - Autographs #SP-KJ

Keyshawn Johnson

1986-87 Topps - [Base] #3

Wayne Gretzky

2015-16 Upper Deck Full Force - [Base] #101

3D Full Force Freshman - Connor McDavid

2014-15 Upper Deck Overtime - Rookie Review #RRC-3

Johnny Gaudreau

2012-13 Panini Classics Signatures - [Base] - Autographs [Autographed] #144

Harry Howell

2016-17 Upper Deck SP Game Used - Draft Day Marks #DDM-CD

Rookies - Christian Dvorak /35

2006-07 Upper Deck Rookie Debut - Debut Ink - [Autographed] #DI-KL

Kyle Lowry

2006-07 Ultimate Collection - Ultimate Signatures - [Autographed] #US-SW

Shelden Williams

2007-08 Topps Echelon - [Base] #23

Lebron James /999

2000 Skybox Dominion WNBA - [Base] #93

Becky Hammon

1957-58 Topps - [Base] #65

Win Wilfong

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.