Knowledge Base

Expert Guides

Everything you need to know about vintage football shirt authentication, valuation, and product codes.

All Guides

Adidas Authentication

How to Authenticate Adidas Football Kits

Complete guide to verifying authentic Adidas football shirts. Learn to decode product codes, understand QR labels, and spot fake kits.

14 min read
Umbro Vintage

How to Date Umbro Shirts (1980-2010)

Definitive guide to dating vintage Umbro football shirts. Logo evolution, label changes, and decade-by-decade identification methods.

10 min read
Education Collecting

Football Kit Types Explained

Understand the difference between Replica, Authentic, Player-Issue, Match-Worn, and Sample kits. Know exactly what you're buying.

10 min read
Marketplace Vinted

How to Spot Fake Kits on Vinted, eBay & Depop

Protect yourself from counterfeit football shirts when buying online. Learn to identify fake sellers, stock photo scams, and the infamous 'Cage' backdrop.

8 min read
Nike Authentication

How to Authenticate Nike Football Kits

Complete guide to verifying authentic Nike football shirts. Learn to decode product codes, spot fake labels, and authenticate any modern Nike kit.

15 min read
Puma Authentication

How to Authenticate Puma Football Kits

Complete guide to verifying authentic Puma football shirts. Learn to decode product codes, understand factory codes, and authenticate any Puma kit.

12 min read
Umbro Authentication

How to Authenticate Umbro Football Kits

Complete guide to verifying authentic Umbro football shirts. Focus on vintage kits, diamond logo evolution, and classic Pro Training details.

13 min read
Nike Product Codes

The Ultimate Guide to Nike Football Shirt Product Codes

Learn how to find, decode, and verify Nike football shirt product codes (MPN). Essential knowledge for authenticating vintage kits and spotting fakes.

12 min read

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