• 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

1972 Topps - [Base] #671

Donn Clendenon [Good to VG‑EX]

2014 Bowman Platinum - Toolsy Die-Cut #TDC-KB

Kris Bryant

1958 Topps - [Base] #494

Warren Spahn [Good to VG‑EX]

1960 Topps - [Base] #28

Brooks Robinson [Poor to Fair]

2013 Topps Museum Collection - [Base] - Copper #70

Manny Machado /424

2014 Topps Inception - Autograph Jumbo Patch #IAJP-JI

Jeremy Hill

2016 Upper Deck USA Football - Future Swatch Jersey USA U19 #FS-CE

Christopher Evans

2000 Playoff Contenders - [Base] #141

Tee Martin

1999 SP Authentic - Player's Ink #MF-A

Marshall Faulk

1999 Fleer Sports Illustrated - Autograph Collection #STLA

Steve Largent

2015-16 Upper Deck Ultimate Collection - Debut Threads #DT-AP

Artemi Panarin /149

2015-16 Upper Deck Ultimate Collection - 2005-06 Ultimate Rookies - Spectrum Silver Auto Jersey [Autographed] [Memorabilia] #05-BS

Brady Skjei /99

2016-17 Upper Deck - UD Game Jersey #GJ-CM

Connor McDavid

1990-91 Score - [Base] #439

Martin Brodeur [PSA 9]

2000-01 Topps Heritage - [Base] #75

Marty Turco /1955

2015-16 Panini Prestige - Acetate Rookies #40

Devin Booker

2014-15 Panini Select - Double Team Jerseys #7

Jimmy Butler, Joakim Noah /149

2013-14 Panini - Rising Tide Autographs #27

Rudy Gobert

2013-14 Panini Prizm - [Base] #290

Giannis Antetokounmpo

1997-98 Upper Deck Collector's Choice - Star Quest #SQ85

Kevin Garnett

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.