Zippo lighter dating code

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Starting from the middle of 1950s, date codes were stamped on the bottom of each Zippo lighter, primarily for quality control.These stamps have experienced a few changes over the years.In this case there is a concentration of the copper at the surface.In the metallurgical process to have chrome plated on the brass, it is necessary to plate the brass with copper before chroming process.In April 71 the brigade was relocated to Da Nang until its departure 29 June The major part of its tour was Chu Lai, so the Vietnamese have this location in their minds. As with most collectibles, the date of manufacture of a Zippo lighter often affects its value.Stamped codes signify the exact date when the lighter was produced.

The appearance of the word "Zippo" in the bottom stamp provides another clue to dating.

Age and style are important factors that determine value of a Zippo lighter.

Date codes on the bottom of each Zippo lighter have become an invaluable tool for collectors.

The Zippo script logo was developed in the late 40s and was phased-in on the lighter bottom stamp around 1955. Since the 1950s, those markings provide a way to accurately date most Zippo lighters.

The current date code system uses a letter and two-digit number to identify the month and year of manufacturer. Blaisdell's world-famous guarantee that "It works or we fix it free™" still covers every Zippo windproof pocket lighter today.

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