• 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

1997 SP - Griffey Heroes #96

Ken Griffey Jr. /2000

2013 Bowman Sterling - Prospect Certified Autographs #BSAP-AM

Austin Meadows

1967 Topps - [Base] #326

Bob Uecker

1999 Topps Finest - [Base] - Refractor #258

Derek Jeter

1959 Topps - [Base] #387

Don Drysdale

2016 Panini Prizm - [Base] - Prizm #238

Rookie - Ezekiel Elliott

1970 Kellogg's 3-D Super Stars - [Base] #49

Calvin Hill

1974 Wonder Bread All-Star Series - [Base] #26

Paul Warfield

2015 Panini Crown Royale - [Base] #131

Rookies - Trevor Siemian

2016 SAGE Hit - Autographs - Gold #A93

Kavon Frazier /250

2015-16 Upper Deck Ultimate Collection - [Base] #87

Autographed Ultimate Rookies - Tier 1 - Brady Skjei /299

2012-13 Panini Rookie Anthology - [Base] #121

Rookie Treasures - Riley Sheahan /499

2015-16 Upper Deck Fusion - Rookie Achievements #R1

Connor McDavid

2007-08 Upper Deck - All-World Team #AW16

Sidney Crosby

2013-14 Panini National Treasures - Timeline Jersey #T-NL

Nicklas Lidstrom /99

2013-14 Panini Titanium - Rookie Jerseys #75

Giannis Antetokounmpo /325

1991-92 Upper Deck - Promos #1

Michael Jordan

2013-14 SP Authentic - By the Letter Autographs #BL-TB

Terrell Brandon /75

2003-04 Upper Deck Ultimate Collection - [Base] #175

Shaquille O'Neal /500

1996-97 Flair Showcase - [Base] - Row 0 #45

Patrick Ewing

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.