Zippo on Twitter: "Did you know the bottom stamp on a Zippo lighter indicates the date it was manufactured? Use our date code chart to see how old your lighter is 👉
![Not sure if it's been posted here yet but here is a helpful tool to help y'all date your Zippo. : r/Zippo Not sure if it's been posted here yet but here is a helpful tool to help y'all date your Zippo. : r/Zippo](https://i.redd.it/0tyi35h048151.jpg)
Not sure if it's been posted here yet but here is a helpful tool to help y'all date your Zippo. : r/Zippo
![Warman's" Zippo Lighters Field Guide: Values and Identification: Amazon.co.uk: Baumgartner, Robin, Baumgartner, Dana: 9780896893627: Books Warman's" Zippo Lighters Field Guide: Values and Identification: Amazon.co.uk: Baumgartner, Robin, Baumgartner, Dana: 9780896893627: Books](https://m.media-amazon.com/images/I/51x41DO8iYL._SX437_BO1,204,203,200_.jpg)