• 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

1970 Topps - [Base] #10

Carl Yastrzemski

1972 Topps - [Base] #770

Jimmy Wynn [Good to VG‑EX]

1992 Upper Deck Minor League - [Base] #5

Derek Jeter

1980 Topps - [Base] #482

Rickey Henderson

2011 Bowman - Chrome Prospects #BCP1

Bryce Harper

1995 Collector's Edge - EdgeTech - Quantum Die-Cut #23

Barry Sanders

2005 Topps Pristine - Personal Endorsements Autographs #PEC-DJ

Derrick Johnson /1500

1994 playoff - Barry Sanders #5

Barry Sanders

1993 Upper Deck SP - All-Pros #AP3

Troy Aikman

1960 Topps - [Base] #55

Max McGee

1987-88 O-Pee-Chee - [Base] #42

Luc Robitaille

2016-17 Upper Deck - [Base] #201

Young Guns - Auston Matthews

2016-17 Upper Deck - O-Pee-Chee Update - Rainbow Foil #694

Marquee Rookies - Auston Matthews

2016-17 Upper Deck - UD Canvas #C252

Retired Stars - Darryl Sittler

2014 In the Game Draft Prospects - [Base] #71

Connor McDavid

1993-94 Upper Deck Special Edition - Die-Cut All-Stars #W11

Clyde Drexler

2014-15 Panini Totally Certified - Rookie Roll Call Autographs #RRC-AG

Aaron Gordon /249

2012-13 Fleer Retro - 1997-98 Z-Force Rave #Z-50

Lebron James /399

2012-13 Panini Gold Standard - Marks of Gold #8

Darryl Dawkins /149

2016-17 Panini Prizm - [Base] - Purple Prizm #13

Giannis Antetokounmpo /75

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.