• 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

1992 Bowman - [Base] #11

Trevor Hoffman

1993 Pinnacle - [Base] #457

Derek Jeter

1991 Topps - [Base] - Operation Desert Shield #171

Tony LaRussa

1953 Topps - [Base] #222

Vic Janowicz [Good to VG‑EX]

2017 Topps Heritage - [Base] - Chrome Variations Purple Refractor #THC-444

Gary Sanchez

2006 Upper Deck Arena Football - AFL Fabrics #FA-CS

Clint Stoerner

2016 Donruss - Jersey Kings #40

Tony Romo

2011 Topps - Super Bowl #SB-49

Tom Brady

2012 Playoff Prestige - [Base] - Rookie Signatures [Autographed] #286

Marvin Jones /799

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

Marquee Rookies - Auston Matthews

2013-14 Upper Deck - UD Canvas #C107

Petr Mrazek

2015-16 Upper Deck Black Diamond - [Base] - Jersey [Memorabilia] #BDB-CS

Cory Schneider /85

2016-17 SPx - Rookies - Blue Autograph [Autographed] #R-PL

Patrik Laine /65

2015-16 Upper Deck Ultimate Collection - [Base] - Gold Patch [Memorabilia] #56

Ultimate Rookies Patch - Jean-Francois Berube /25

1987-88 Fleer - Stickers #2

Michael Jordan [PSA 8]

1972-73 Topps - [Base] #32

Phil Jackson [Good to VG‑EX]

2003-04 Topps Finest - [Base] #168

Leandro Barbosa /999

2016-17 Panini Donruss - Swatch Kings Jumbo #4

Kyrie Irving /99

2013-14 Fleer Retro - 1992-93 Rookie Sensations Autographs #RS-14

Skylar Diggins

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.