Dating zippos by stamp
Like lighters from other years, there are significant variations in the manufacturing process that can help determine the exact year of production.Unfortunately I do not have the time or the money to build up a collection that will allow me to make the comparisons seen on the rest of the dating pages.Starting in the mid 50’s, a date code was stamped on the bottom of every Zippo lighter made. The date code has since become an invaluable tool for Zippo collectors.Most lighters fabricated between 19 can be identified by style and model and the patent or patent-pending marks.This page is a general guide to the earliest Zippo lighters.
The "Canned bottom" (where the base of the lighter is indented) first appeared in 1946 The lighters above were made from a rectangular tube, with the bases soldered on.
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