Shop from 30,327,490 total and 8,705,387 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!

30 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.

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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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Base - Luis Robert (Batting)

1984 Topps - [Base] #123

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USA U19 - Dwayne Haskins Jr

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Field Level - Joe Burrow

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Jerry Kramer

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Keenan Allen

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2019-20 Upper Deck Ultimate Collection - VIP Rookies #VIP-4

Tier 2 - Quinn Hughes

2020-21 Upper Deck - [Base] #235

Young Guns - Jason Robertson

2005-06 Fleer Ultra - Difference Makers #DM6

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LeBron James

1987-88 Fleer - [Base] #9

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Los Angeles Lakers Team

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.