Due to COVID-19, all shipping is experiencing significant delays. We welcome you to use a COMC account to combine your purchases and ship them at a later time.
Shop from 21,808,460 total and 6,913,025 unique sports cards. Baseball, Football, Hockey, and Basketball.

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!

21 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

eBay 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. COMC listings are automatically posted to eBay!

Sell Cards

The Safe and Easy Way to Buy and Sell Cards Online

Shop Recently Added

2014 Topps - [Base] - Wal-Mart Blue #1

Mike Trout

1976 Topps - [Base] #330

Nolan Ryan [PSA 8 NM‑MT]

1999 Fleer Sports Illustrated Greats of the Game - Covers #30 C

Randy Jones

1959 Topps - [Base] #387

Don Drysdale

1970 Topps - [Base] #247

Fred Dryer [Good to VG‑EX]

2019 Panini Donruss Elite - Pen Pals #PP-RF

Ryan Finley

2017 Panini Vertex - [Base] #107

Rookie Capstones - R. Joshua Dobbs /99

2009 Donruss Classics - Classic Quads - Gold #6

Bob Lilly, Roger Staubach, Cliff Harris, Tom Landry /100

1990 Score - Rookie & Traded (Supplemental) #101T

Emmitt Smith [BGS 8.5 NM‑MT+]

2018-19 Upper Deck - Signature Sensations #SS-AD

Alex DeBrincat

2016-17 O-Pee-Chee Platinum - [Base] - Rainbow #151

Auston Matthews

2019 Upper Deck Team Canada Juniors - [Base] - Exclusives #19

Alexis Lafreniere /250

2014-15 Upper Deck Trilogy - Tryptichs - Jerseys #T-NET2

Dominik Hasek /600

2019-20 Upper Deck Synergy - [Base] - Red #93

Rookies Tier 3 - Filip Zadina

2019-20 Panini Donruss Optic - My House #15

Zion Williamson

1993-94 Classic Draft Chromium Jumbos - [Base] #4

Anfernee Hardaway

1994-95 Topps Finest - [Base] - Refractor #225

Patrick Ewing

2019-20 Panini Prizm - [Base] - Pink Ice Prizm #75

Luka Doncic

2019-20 Panini Donruss Optic - The Rookies #2

Ja Morant

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. 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.