• 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!

13 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

1995 Select Certified Edition - [Base] - Gold Mirror #72

Cal Ripken Jr.

2014 Topps Heritage High Number - [Base] #H558

Mookie Betts

1996 Leaf Signature Series - Autographs - Bronze #STHO

Steve Howe

1955 Topps - [Base] #92

Don Zimmer

2001 SPx - Winning Materials Triple Jersey Combo #BGG

Barry Bonds, Luis Gonzalez, Ken Griffey Jr.

2012 Panini National Treasures - [Base] #258

Kris Adams /99

2014 Topps Prime - Level 5 Autographed Relic #PV-DM

Donte Moncrief

2016 Panini Prizm Collegiate Draft Picks - [Base] #125

Draft Picks - Dak Prescott

2016 Panini Origins - Rookie Jumbo Patch Autographs #RJPA-WS

Wendell Smallwood

2014 Topps Strata - Clear Cut Autograph Rookie Relics #CCAR-DA

Davante Adams

2013-14 Panini Rookie Anthology - Luxury Suite Dual Memorabilia #57

Steve Ott /99

1983-84 O-Pee-Chee - [Base] #268

Pelle Lindbergh

2016-17 Upper Deck Artifacts - [Base] #161

Rookies - William Nylander /999

1996-97 SPx - Holoview Heroes #HH2

Patrick Roy

2015-16 Upper Deck Trilogy - [Base] - Green Rainbow Foil #133

Rookie Premiere - Jack Eichel /599

2016-17 Panini Prizm - [Base] - Silver Prizm #266

Kris Dunn

1986-87 Fleer - [Base] #9

Larry Bird

2009-10 Exquisite Collection - [Base] #55

Sam Young /225

2008-09 Topps - [Base] #199

Russell Westbrook

2013-14 Panini Select - Rookie Jerseys Autographs #16

Rudy Gobert

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.