• 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!

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

2017 Topps Heritage - [Base] #444.1

High Number SP - Gary Sanchez (Base)

2014 Bowman - Prospect Autographs Chrome #BCAP-MA

Mark Appel

1995 Upper Deck Minor League Top Prospect - [Base] - Future Stock #1

Derek Jeter

1960 Topps - [Base] #499

Johnny James [Good to VG‑EX]

2001 Upper Deck Prospect Premieres - Heroes of Baseball Game-Used Bats #B-KP

Kirby Puckett

1997 Pinnacle Action Packed - Studs #5

Kordell Stewart /1500

1973 Topps - [Base] #280

Joe Greene

2016 Panini Playbook - Rookie Jumbo Memorabilia Booklets #RJMB-CK

Connor Cook /149

2016 Donruss Optic - [Base] #162

Rated Rookies - Dak Prescott

2016 Panini Prizm - [Base] - Prizm #296

Rookie - Tyreek Hill

2016-17 Upper Deck SP Game Used - [Base] - Purple #158

Authentic Rookies - Michal Kempny

2016-17 Upper Deck - [Base] - Gold Rainbow Foil #44

Patrick Kane

2015-16 Upper Deck Ultimate Collection - Ultimate Rookie Auto Booklet Relics #RBR-RF

Tier 1 - Robby Fabbri /99

2014 In the Game Draft Prospects - Autographs - Silver #A-LD1

Leon Draisaitl

2014-15 O-Pee-Chee - [Base] #544

Johnny Gaudreau

1995-96 Flair - Play Maker #1

Clyde Drexler

2011-12 Fleer Retro - Precious Metal Gems - Red #PM-28

Elgin Baylor /150

1986-87 Fleer - [Base] #109

Isiah Thomas

2013-14 Panini Elite - Rookie Essentials Materials Signatures #RE-GA

Giannis Antetokounmpo /299

2007-08 Upper Deck NBA Rookie - Box Set [Base] #11

Kevin Durant

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.