Shop from 43,181,264 total and 12,290,118 unique sports cards. Baseball, Football, Hockey, and Basketball.

thecollectoragency

Sale - 33% OFF SRP

Port: 1948-2023 Baseball

Ends: 6d 15h 33m

$700.00 HappyCardboard

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!

43 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

Grading Services

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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The Safe and Easy Way to Buy and Sell Cards Online

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Shop Recently Added

2023 Topps Chrome - Rookie Autographs #RA-GMO

Gabriel Moreno

$9.45

2018 Topps Holiday - WalMart Mega Box [Base] #HMW17

Shohei Ohtani

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2022 Topps Update Series - [Base] #US100.1

Bobby Witt Jr. (Looking Up in Powder Blue Jersey) [PSA 9 MINT]

$29.00

2002 Topps Archives - Autographs #TAA-HW

Hoyt Wilhelm

$69.24

2020 Topps Heritage Minor League Edition - [Base] #202

High Number SP - Bobby Witt Jr.

$22.39

2024 Panini Donruss - [Base] - Red Press Proof #389

Rated Rookie - Jayden Daniels

$36.19

2023 Sage Aspire - [Base] - Red #ASP-BR

Bijan Robinson

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2021 Panini Donruss Optic - [Base] - Holo Prizm Variation #204

Rated Rookie - Justin Fields

$35.04

2024 Bowman University Chrome - Chrome Prospect Autographs - Refractor #PA-JSA

Jack Sawyer /299

$46.53

2024 Panini Donruss - Rated Rookie Retro #19

Bo Nix [PSA 10 GEM MT]

$285.28

2005-06 Upper Deck The Cup - [Base] #158

Auto Rookie Patch - Chris Thorburn /199

$58.03

1990-91 Pro Set - [Base] #103.2

Dean Evason (Bloody Jersey Crest)

$55.74

2024-25 Upper Deck Series 1 - [Base] - Outburst Silver #208

Young Guns - Bradly Nadeau

$23.25

2019-20 Upper Deck Black Diamond - Rookie Team Logo Jumbos #RTL-FZ

Filip Zadina

$36.77

2024-25 Upper Deck Series 2 - [Base] - Deluxe #488

Young Guns - Drew Commesso /250

$28.99

1992-93 Topps Stadium Club - [Base] #247

FaniMation - Larry Bird [PSA 9 MINT]

$33.60

2019-20 Panini Mosaic - [Base] - Reactive Orange Prizm #274

NBA Debut - Ja Morant [PSA 10 GEM MT]

$40.50

1976-77 Topps - [Base] #69

Gus Williams

$16.50

1996-97 Fleer Sprite - Food Issue [Base] #17

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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.