Did you know you can authenticate your Zippo lighter with the bottom stamp? Valuable information on the bottom of every Zippo windproof lighter can help you determine its authenticity. The word "Zippo" has appeared on every Zippo lighter produced and sold. There have been three major changes to the Zippo logo on the bottom stamp, as show below. From 1933 to the mid-50s, the word Zippo was stamped in block letters. The Zippo script logo was developed in the late 40s and was phased-in on the lighter bottom stamp around 1955. In the late 70s the logo was redesigned. It was incorporated into the bottom stamp in 1980.

The date code on the bottom stamp of every Zippo lighter is encoded with a series of markings. Since the 1950s, those markings provide a way to accurately date most Zippo lighters. 




Zippo Regular Lighter Identification Codes



Zippo Slim Lighter Identification Codes


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