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
Zippo - Date Codes | Zippo USA
All About Zippo Lighters (How To Date Your Zippo For Collecting & Values) - YouTube
What does the letter on the bottom of a Zippo mean? - Quora