• 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.

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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

1975 Topps - [Base] #228

George Brett [Good to VG‑EX]

1984-91 O'Connell & Son Ink - [Base] #150

Mickey Mantle

2000 Topps - Hank Aaron Chrome Reprints - Refractor #21

Hank Aaron

1997 Topps Finest - [Base] #151

Mike Piazza

2016 Panini Classics - [Base] - Glossy #212

Rookies - Ezekiel Elliott

1989 Topps Traded - [Base] #83T

Barry Sanders [PSA 8]

1971 Topps - [Base] #250

Joe Namath

2000 Press Pass - Autographs #COBR

Courtney Brown

2015-16 O-Pee-Chee Platinum - [Base] #174

Rookie Autographs - Ryan Hartman

2016-17 Upper Deck - UD Canvas #C240

Young Guns - Auston Matthews, William Nylander

2016-17 Upper Deck - [Base] - Gold Rainbow Foil #44

Patrick Kane

2015-16 Upper Deck MVP - Rookie Redemption Pack #RR-1

Atlantic Division

2006-07 Upper Deck Be a Player - Signatures - [Autographed] #PM

Patrick Marleau

2009-10 SP Game Used - Triple Patch #TP-COY

Thaddeus Young, Tom Chambers, Travis Outlaw /60

2015-16 Panini Gold Standard - Gold Scripts #SC-WF

Walt Frazier /99

1999-00 Topps Gallery - Gallery of Heroes #GH3

Kobe Bryant

1993-94 Upper Deck - Mr. June #MJ 6

Michael Jordan

2016-17 Panini Prizm - [Base] - Silver Prizm #246

Tyler Ulis

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.