Shop from 44,820,832 total and 12,698,144 unique sports cards. Baseball, Football, Hockey, and Basketball.

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Find baseball cards and other sports cards on sale in Promotions & Port Sales

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!

44 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.

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

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eBay Integration

Historical Sales Data

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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Shop Recently Added

1960 Topps - [Base] #28

Brooks Robinson [Good to VG‑EX]

$31.29

2019 Topps - 1984 Topps Baseball All-Stars - 150th Anniversary #84AS-AJ

High # - Bobby Murcer [Good to VG‑EX]

$28.99

2012 Leaf Pete Rose The Living Legend - Autographs #AU-31

Pete Rose

$51.99

1997 Flair Showcase - [Base] - Row 0 #20

Rookie - Justin Herbert

$15.15

2001 Upper Deck NFL Legends - Memorable Materials #MM-BS

Barry Sanders

$81.04

2022 Panini Mosaic - [Base] - Silver Prizm #396

Jesse Palmer /1000 [PSA 10 GEM MT]

$70.39

1990 Action Packed The All-Madden Team - [Base] #9

Emmitt Smith [PSA 8 NM‑MT]

$26.70

2021-22 Upper Deck SP Game Used - Signing Day Marks Rookies #SDM-AB

Alex Barre-Boulet /35

$17.22

2024-25 SPx - Holoview F/X - Blue #HV-48

Rookies - Macklin Celebrini /399

$53.15

2024-25 Skybox Metal Universe - Gold Bullion #GB-2

Connor Bedard

$51.71

2013-14 Upper Deck - UD Canvas #C238

Young Guns - Brock Nelson

$11.75

2023-24 Upper Deck Series 2 - [Base] - Outburst #456

OG Anunoby [PSA 10 GEM MT]

$29.00

2009-10 Topps - [Base] - Black #138

Mike Conley /50

$69.24

1999 Upper Deck Michael Jordan Athlete of the Century - Upper Deck Remembers #UD4

A.C. Green [PSA 9 MINT]

$89.95

1996 Topps Stars - Imagine - Members Only #I-8

Jump to Popular Players!

Michael Jordan HOF	Shohei Ohtani	Aaron Judge	Alexis Lafreniere	Zion Williamson	Stephen Curry
Connor Bedard	LeBron James	Spider-Man	Tom Brady	Derek Jeter	Patrick Mahomes II
Connor McDavid	Luka Doncic	Ken Griffey Jr.	Wolverine	Ja Morant	Paul Goldschmidt
Kobe Bryant	Auston Matthews	Mike Trout	Ronald Acuna Jr.	Shaquille O'Neal	Wayne Gretzky

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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.