There are numerous sites around the internet that give dating charts for Zippo Lighters, and there are also dating guides in many of the Zippo Books. Dating lighters made at the Canadian factory is a little more difficult, and often confusing, but with a little detective work, many of the clues are there. There is still much work and research to be done, and this page is by no means complete. If you can add any information please feel free to contact me.
Know Difference between Fake / Genuine Zippo Lighters
This era presents the most difficult lighters to date. Whilst the base stamps my look similar there are a number of differences to observe. There appears to be some overlap between the base stamps used on these lighters. In researching this page I am indebted to many other collectors who have sent me photographs of lighters in their collections that were factory engraved with a date.
As for chrome or nickel was impossible to use for plating the steel cases, early Zippo lighters started to corrode from humidity. The letter from Mr. Blaisdell was send to retailers nationwide describing the new finish as crinkly.
As with most collectibles, the date of manufacture of a Zippo lighter often affects its value. Valuable information on the bottom of every Zippo windproof lighter can help you determine its date of manufacture. The original purpose was for quality control. The date code has since become an invaluable tool for Zippo collectors.