Shop from 35,729,876 total and 10,083,283 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!

35 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!

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The Safe and Easy Way to Buy and Sell Cards Online

Shop Recently Added

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Andrew Benintendi [PSA 10 GEM MT]

1963 Fleer - [Base] #45

Warren Spahn

2023 Bowman - Chrome Prospects - Atomic Refractor #BCP-20

Jackson Holliday

2012 Topps - [Base] #661.1

Bryce Harper (Grey Jersey)

2021 Panini National Treasures - Treasured Rookies #TRC-39

Patrick Surtain II /99

2011 Topps Chrome - [Base] - Retail Orange Refractor #25

Colin Kaepernick

2020 Panini Donruss Optic - [Base] - Holo Prizm #153

Rated Rookies - Justin Herbert [PSA 9 MINT]

2018 Panini Select - [Base] #70

Concourse - Lamar Jackson

2014 Panini Prizm - Autographed Rookie - Pink Prizms #AR-BC

Brandin Cooks /65

2021 Upper Deck Team Canada Juniors - [Base] #117

Connor Bedard

2003-04 Pacific Supreme - [Base] - Rookie Autographs #109

Eric Staal /375

1986-87 Topps - [Base] #53

Patrick Roy

2020-21 Upper Deck - [Base] #235

Young Guns - Jason Robertson

2021-22 Upper Deck Series 2 - [Base] #451

Young Guns - Mason McTavish

2018-19 Panini Threads - [Base] #171

Icon Jersey SP - Kobe Bryant

1995-96 Skybox E-XL - A Cut Above #7

Shaquille O'Neal

1995 Signature Rookies Draft Day - [Base] - Authentic Signature #48

Ray Jackson /7750

2017-18 Panini Select - [Base] #166

Premier Level - Jayson Tatum [PSA 10 GEM MT]

1969-70 Topps - [Base] #60

Willis Reed [Poor to Fair]

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.