Zippo on Twitter: "When did Zippo start stamping date codes on the bottom of every lighter? #ZippoTrivia https://t.co/mOxDKf6oD2" / Twitter
Date-your-ZIPPO
Zippo on Twitter: "A fan-favorite feature and an iconic design 🤩 What is your favorite bottom stamp? https://t.co/CYAg4wPsp5 #ZippoThroughTheDecades https://t.co/bUL377qBpT" / Twitter
Date Your Zippo Lighter • The Lighterhouse
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
Zippo Instructional: Lighter Date Codes - YouTube
Can someone help identify the symbols at the bottom of my Zippo? : r/Zippo
Date Your Zippo Lighter • The Lighterhouse
Dating Zippo Lighters
The Gatlinburlier Pipe, Pipe Tobacco, Cigar and Chewing Tobacco Store.
File:Zippo bottom.jpg - Wikimedia Commons
Get to Know The Zippo Lighters
All About Zippo Lighters (How To Date Your Zippo For Collecting & Values) - YouTube
Date-your-ZIPPO
Dating a Zippo Lighter
Date Your Zippo Lighter • The Lighterhouse
Zippo - Date Codes | Zippo USA
Zippo Codes | PDF
Zippo - Do you know why we started stamping date codes... | Facebook
Zippo Dating Codes | PDF
Authenticate Your Zippo | Bhawar Sales Corporation
Zippo on Twitter: "On this day in 1958, we began implementing date codes on the bottom of our lighters. #ZippoHistory http://t.co/fFSnsOKG http://t.co/xdCz8B3I" / Twitter
Not sure if it's been posted here yet but here is a helpful tool to help y'all date your Zippo. : r/Zippo
Are these Zippos with no date codes fake? : r/Zippo
Zippo Identification Codes | PDF
Zippo - Date Codes | Zippo USA
