• 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

2013 Topps Update Series - All-Star Stitches #ASR-MC

Miguel Cabrera

2015 Panini Elite Extra Edition - [Base] - Prospects Autographs [Autographed] #128

Elias Diaz

2012 Panini Cooperstown - Cooperstown Signatures #HOF-ROL

Rollie Fingers /799

2016 Topps Allen & Ginter's - Relics B #FSRB-GG

Gennady Golovkin

2009 Upper Deck USA Baseball - Box Set [Base] #USA-30

Bryce Harper

2016 Panini Prizm Collegiate Draft Picks - [Base] #127

Draft Picks - Carson Wentz

2014 Panini Contenders - Draft Class Autographs RPS #RDA-TS

Tom Savage

2014 Topps Platinum - Autograph Rookie Refractor - Black #74

Aaron Donald /150

2014 Panini Absolute - Tools of the Trade 8 Player #TT8-SEC

Aaron Murray, AJ McCarron, Donte Moncrief, Jadeveon Clowney, Jarvis Landry, Jer…

1998 Collector's Edge Super Bowl Card Show - [Base] #8

Brett Favre /1000

2015-16 Upper Deck Full Force - Draft Board #DB-ML

Mario Lemieux

2013-14 Panini Titanium - [Base] - Jersey Number #35

Evgeni Malkin /71

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

Autographed Ultimate Rookies - Tier 1 - Brady Skjei /299

2015-16 SP Game-Used - 2015 All-Star Skills Fabrics Quads #AS4-4

Drew Doughty, Duncan Keith, Brent Burns, Dustin Byfuglien

2016-17 Upper Deck MVP - Rinkleaders #RL-0

Achievement - Wayne Gretzky

2009 Upper Deck NBA All-Stars - Phoenix 2009 #AS-6

Lebron James

1976-77 Topps - [Base] #110

David Thompson

1983-84 Star - [Base] #61

Bernard King

2015-16 Panini Prizm - Rookie Signatures #RS-TL

Trey Lyles

2012-13 Elite Series - Glass Masters #16

Hakeem Olajuwon

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.