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
Its normal that my zippo have two diferents date codes??? : r/Zippo
Zippo Morse Code SOS Lighter | SMKW
Dating a Zippo Lighter
Zippo Lighter 576 Challenge Coin Logo #218 – NASHVILLE STEAM
Not sure if it's been posted here yet but here is a helpful tool to help y'all date your Zippo. : r/Zippo