• 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] #230

Brooks Robinson

2010 Bowman Chrome - 18U USA Team #USA18-BC8

Bryce Harper

1971 Topps - [Base] #513

Nolan Ryan [Good to VG‑EX]

1983 Topps - [Base] #482

Tony Gwynn

2005 Playoff Absolute Memorabilia - [Base] - Spectrum Silver #114

Derek Jeter /150

2016 Panini Absolute - Rookie Jersey #36

Jordan Howard /99

2003 Topps - [Base] #372

Jason Witten

2002 Pacific Private Stock Reserve - Authentic Game-Worn Jersey #21

Jim Harbaugh

2015 Topps Chrome - [Base] #50

Tom Brady [PSA 10]

2013 Fleer Retro - 1999 Fleer Focus Wondrous #W-10

Steve Young

2016-17 Upper Deck SP Game Used - [Base] - Purple #50

Connor McDavid

1988-89 Topps - [Base] #66

Brett Hull

2015-16 Upper Deck Ice - Global Impact #GI-CM

Connor McDavid

2015-16 Upper Deck Ultimate Collection - [Base] #61

Autographed Ultimate Rookies - Tier 1 - Frank Vatrano /299

2016-17 Upper Deck - UD Canvas #C218

Young Guns - Matthew Tkachuk

1995 Signature Rookies Draft Day - [Base] - Authentic Signature [Autographed] #50

Fred Hoiberg /7750

1996-97 Bowman's Best - Rookies #R23

Kobe Bryant

1993-94 Fleer - Rookie Sensations #18

Shaquille O'Neal

1969-70 Topps - [Base] #82

Don Nelson

2015-16 Panini Immaculate Collection - Shadowbox Signatures #SS-JH

Jrue Holiday /99

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.