Blog & Insights
Expert guides on authentication and luxury collecting
Authentication Guides by Brand
Expert spotters guides for the most counterfeited luxury brands
How to Authenticate a Coach Bag: Style Codes, Hardware & Logo Guide (2025)
Coach has a heritage dating to 1941. Here's how to decode their style numbers, verify hardware quality, and check monogram alignment to confirm authenticity.
How to Authenticate a Polène Bag: Complete 2025 Guide
Polène's Numéro Un and Numéro Dix have become icons of minimalism. Here's how to spot a fake — from leather quality and logo to the serial sticker and packaging.
How to Authenticate a Louis Vuitton Speedy Bag: 9 Key Markers (2025)
The LV Speedy is one of the most replicated bags in existence. These 9 checks — from the monogram shade to the interior pocket color — reveal fakes instantly.
Hermès Special Stamps on Birkin and Kelly: What Every Mark Means (2025)
Those mysterious symbols next to the Hermès logo reveal exotic leather origins, special orders, or master-made pieces. Here's exactly what each stamp means.
How to Read Hermès Date Codes: Complete Birkin, Kelly & Evelyne Guide (2025)
The blind stamp on your Hermès bag tells you exactly when it was made — if you know how to read it. This guide decodes every format from 1945 to present.
Chanel Serial Codes and NFC Chips: The Complete 2025 Authentication Guide
From 1986 holographic stickers to 2021 NFC chips — this guide decodes every Chanel serial number format and explains what the embedded chip really tells you.
How to Authenticate a Balenciaga Rodeo Bag: Complete 2025 Guide
The Balenciaga Rodeo became iconic almost instantly. Here's how to verify leather quality, stitching, and hardware to avoid a convincing fake.
How to Authenticate a Miu Miu Bag: Complete 2025 Guide
Miu Miu bags combine Prada-level craftsmanship with a playful aesthetic. Here's how to verify authenticity — from the logo engraving to the interior factory tag.
How to Authenticate a Gucci Wallet: 7 Quick Checks (2025)
Gucci wallets are among the most counterfeited small leather goods. These 7 checks — from GG logo placement to serial number — help you verify authenticity fast.
How to Authenticate a Chanel 19 Bag: 9 Expert Markers (2025)
The Chanel 19 combines soft leather, oversized CC hardware, and a mixed-material chain. These 9 markers reveal the difference between authentic and fake.
How to Read Louis Vuitton Date Codes: Complete 1982–2025 Guide
LV date codes tell you where and when a bag was made. This guide decodes every format from 1982 to the RFID era — and why a code alone can't prove authenticity.
How to Authenticate a Hermès Scarf: 7 Key Markers (2025)
Each Hermès carré takes up to 18 months to produce. Here's how to tell a genuine one from a fake — from the hand-rolled edge to the orange box.
How to Authenticate a Celine Luggage Bag: 7 Expert Markers (2025)
The Celine Luggage achieved iconic status under Phoebe Philo. Here's how to spot a fake — from the CELINE PARIS logo to the metal feet and zipper shape.
How to Authenticate a Saint Laurent Loulou Bag: Complete 2025 Guide
The Loulou is named after Yves Saint Laurent's muse. Here's how to tell an authentic from a fake — from the YSL logo engraving to the chain rings.
How to Authenticate a Gucci Marmont Bag: 8 Expert Signs (2025)
The Gucci Marmont is one of the most counterfeited bags of the decade. Learn the 8 markers experts check — from GG hardware proportions to chain link quality.
How to Spot a Fake LV Multi Pochette Accessoires: Complete 2025 Guide
The LV Multi Pochette is one of the most replicated accessories on the market. Here's how to verify every detail — from the coin purse to the hardware finish.
How to Spot a Fake Louis Vuitton Neverfull MM: 9 Expert Markers (2025)
The LV Neverfull MM is one of the most counterfeited bags in the world. These 9 expert markers will help you tell the real thing from a convincing fake.
How to Authenticate a Chanel 2.55 Bag: 11 Expert Signs (2025)
The Chanel 2.55 is one of the most counterfeited bags in the world. Learn the 11 expert markers that separate a genuine 2.55 from even the best fakes.
How to Spot a Fake Rolex: The Complete 2026 Guide
Learn the essential techniques experts use to authenticate Rolex watches, from movement inspection to serial number verification.
Hermès Birkin Authentication: Secrets Only Experts Know
Discover the hidden details that separate authentic Birkin bags from even the best counterfeits in the luxury market. From blind stamps to stitching, here's what experts check.
Articles & Insights
Comparisons, valuations, and industry knowledge
Entrupy vs LegitCheck: Which Authentication Service Should You Choose?
An in-depth comparison of two leading authentication providers, examining their technology, accuracy, pricing, and use cases to help you make the right choice.
Entrupy vs RealAuthentication: Technology vs Traditional Expertise
Comparing Entrupy’s AI-powered platform with RealAuthentication’s expert-driven approach to help you choose the right authentication partner.
Entrupy vs Authenticate First: Choosing Your Authentication Platform
A detailed comparison of Entrupy and Authenticate First, examining their methodologies, strengths, and ideal use cases for luxury authentication.
LegitCheck vs RealAuthentication: Expert Authentication Services Compared
Comparing two leading expert-driven authentication services to help you choose the right partner for verifying your luxury items.
LegitCheck vs Authenticate First: Which Expert Service Fits Your Needs?
Comparing LegitCheck and Authenticate First to help you choose the right expert authentication service for your luxury items.
RealAuthentication vs Authenticate First: Premium Authentication Services
Comparing two premium authentication services to determine which offers the best comprehensive verification for high-value luxury items.
Entrupy vs Certilogo: AI Authentication vs Brand Verification
Comparing Entrupy’s AI-powered authentication with Certilogo’s brand-integrated verification system to understand their different approaches.
LegitCheck vs Certilogo: Expert Service vs Brand Verification
Comparing LegitCheck’s expert authentication service with Certilogo’s brand-integrated verification to understand when to use each approach.
RealAuthentication vs Certilogo: Expert Service vs Brand Verification
Comparing RealAuthentication’s comprehensive expert service with Certilogo’s brand-integrated verification for high-value luxury items.
Entrupy vs CheckCheck: AI Technology vs Expert Platform
Comparing Entrupy’s AI-powered authentication with CheckCheck’s expert platform to understand their different approaches to luxury verification.
Sneaker Authentication: Protecting Your Investment in Rare Kicks
From Jordan retros to Yeezy collaborations, learn how to verify authenticity in the booming sneaker resale market. Expert legit check tips you can use right now.