• 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

1963 Topps - [Base] #25

Al Kaline [Good to VG‑EX]

1961 Topps - [Base] #35

Ron Santo [Good to VG‑EX]

1973 Topps - [Base] #650

Felipe Alou [Good to VG‑EX]

2010 Topps National Chicle - [Base] #311

Buster Posey

2016 Topps Now - Topps Online Exclusive [Base] #154

Ichiro Suzuki /2798

2012 Prominence - Rookie Signatures - Field Plates #219

Michael Floyd /75

2013 Score - [Base] - Rookie Signatures [Autographed] #356

DeAndre Hopkins

1999 Bowman - Autographs #A22

Cade McNown

1998 Leaf Rookies & Stars - [Base] #233

Peyton Manning

2016 Score - [Base] #337

Rookies - Dak Prescott

1984-85 Topps - [Base] #49

Steve Yzerman

2015-16 Upper Deck - [Base] #201

Young Guns - Connor McDavid [BGS 9.5]

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

Autographed Ultimate Rookies - Tier 1 - Frank Vatrano /299

2015-16 Upper Deck Ultimate Collection - [Base] #82

Autographed Ultimate Rookies - Tier 1 - Ben Hutton /299

2015-16 Upper Deck - [Base] #451

Young Guns - Jack Eichel

1996-97 Fleer Metal - Steel Slammin' #8

Shaquille O'Neal

1971-72 Topps - Trios Stickers #46

NBA Team Logos [Good to VG‑EX]

2012-13 Elite Series - Elite Signings #30

Kyle Lowry /249

1973-74 Topps - Team Stickers #UTST

Utah Stars, Kentucky Colonels [Good to VG‑EX]

1976-77 Topps - [Base] #132

Rick Barry [Good to VG‑EX]

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.