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Dating my zippo lighter

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Slim lighters were first introduced in 1956, with a flat bottom and no date code.The first markings were added in 1957 and overlapped into 1958.

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Dating "Pre Coded" Zippos 1946 - 1955 The date coding on Zippo lighters was introduced in late 1955, so lighters made after this date are very easy to identify.1982-1986 Dating guide In July 1986 the line symbols were discontinued and the lighters were then identified by a series of roman numerals.These were placed to the left of the word Zippo, which left the space to the right free.Codes were not used on the lighters until 1987, so we have to look closely at the bottom stamp and the insert to try to determine the date of manufacture.It is not unknown for Lighters from Canada to to be shipped with Bradford stamped inserts, so this can sometimes be a help.It was decided to print a letter to indicate the actual month of manufacture with A = January, B = February etc.

The 1937 replica series introduced in in 1985 were the first lighters to carry the Roman Numerals and 1985 lighters are stamped with I, but no date letter.

Very quickly, you can determine a broad age of a Zippo lighter based on the three major changes to the style of the word “Zippo” imprinted on the bottom of the lighter. Before 1959, dating Zippo lighters can be a bit tricky, as the exact placement of the words must be taken into consideration.

The “Block” Zippo was used from 1933 to 1954; it was changed to the “Script” Zippo in 1955, and the “Flaming i” began in 1980. Pending was stamped from 1933 until the end of 1936, when it was replaced with Pat. We’ve provided examples of what we believe to be the correct bottom codes for those tricky years.

George Grant Blaisdell established Zippo in October 1932 in Bradford, Pa., and the first Zippo lighter was produced in January 1933.

Blaisdell had date codes imprinted on the bottom of the lighter cases.

The bottom stamp differs by having Niagara Falls, Ontario rather than Bradford, PA on it.