• 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

1960 Topps - [Base] #73

Bob Gibson [Good to VG‑EX]

1991 Score - [Base] #200

Kirby Puckett

2007 Topps Chrome - [Base] - White Refractor #4

Mickey Mantle /660

2013 Panini USA Baseball Champions - Stars & Stripes Signatures #GRI

Randal Grichuk /873

1973 Topps - [Base] #650

Felipe Alou [Good to VG‑EX]

2016 Panini Origins - [Base] #111

Rookie Autographs - Sterling Shepard

2014 Panini Contenders - [Base] - Playoff Ticket #116.1

Crockett Gillmore (Hands Up) /199

2015 Panini Contenders - [Base] #202.1

Rookie Ticket RPS - Ameer Abdullah (Base)

2014 Topps Turkey Red - [Base] - Autographs #11

Devonta Freeman

2007 Leaf Rookies & Stars Longevity - [Base] - Ruby Materials [Memorabilia] #58

Tom Brady /250

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

Sidney Crosby

2015-16 Upper Deck Ultimate Collection - [Base] - Spectrum Silver Autographed Jersey [Autographed] [Memorabilia] #63

Ultimate Rookies Auto Jersey - Tier 1 - Anthony Stolarz /149

2016-17 Upper Deck - [Base] #201

Young Guns - Auston Matthews

2016-17 Upper Deck - UD Canvas #C96

Young Guns - Sebastian Aho

2006-07 SP Authentic - [Base] #195

Keith Yandle /999

2014-15 Panini Select - Double Team Jerseys #7

Jimmy Butler, Joakim Noah /149

2015-16 Panini NBA Hoops - Hot Signatures #HS-JMM

James Michael McAdoo

1984 Star - Celtics Champs #14

Larry Bird

2014-15 Panini Gold Standard - Superscribe #16

Mychal Thompson /199

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.