Not sure if it's been posted here yet but here is a helpful tool to help y'all date your Zippo. : r/Zippo
Date-your-ZIPPO
Zippo - We've heard some wild rumors about the meaning of the bottom stamps on Zippo lighters. Some say it's the quality rating of the lighter, others say it's the inmate number
Code Briquet Zippo lighter Date : codes et Datation des briquets zippo de collection
Date Your Zippo Lighter • The Lighterhouse
File:Zippo date code.jpg - Wikipedia
Zippo - Ancien ZIPPO Rasta "cool brother" CODE B 06
Zippo with date codes | Zippo with date codes | Flickr
Small zippo lighter | Antiques Board
Amazon.com: Zippo Lighter - Personalized Message Engraved on Backside Monster Eye Key Hole Windproof Lighter : Health & Household
Its normal that my zippo have two diferents date codes??? : r/Zippo
All About Zippo Lighters (How To Date Your Zippo For Collecting & Values) - YouTube
Zippo - Roll call! 📣 How old is your oldest lighter vs. your newest lighter? Psst, you can tell by reading about our date code system here: https://fal.cn/3gztv | Facebook