Dating zippos by stamp
In July of 1986, lot codes were also being included on all Zippo lighters, showing the month and the year of production. The Zippo Manufacturing Company started featuring at the bottom of the lighter case, on the left side of the logo, the month code in the center, and the year stamped in Roman numerals (XVI). Although the original purpose for date coding was for quality control, the procedure became an invaluable tool for the Zippo lighter collector.The date code enables the collectors to determine the age of the Zippo lighter at a glance.This is fun and easy to do because every Zippo lighter since 1933 has some kind of identification on the bottom of the Zippo lighter case.The Zippo lighters made in 1933 and up till the mid 1950's have "Zippo" stamped in block letters on the lighter case.A new Zippo logo was developed in the 1940's but was not implemented until 1955.
Starting in the mid 50s, date codes were stamped on the bottom. The date codes have since become an invaluable tool for Zippo collectors.While butane lighters are now preferred by some, Zippo still managed to celebrate their 75th anniversary in 2007 by selling the world’s most expensive Zippo lighter.The Zippo Manufacturing Company was founded in 1932 and their first lighters were sold in early 1933.Determining the date or code of a Zippo lighter is fun and easy. Blaisdell offered a lifetime guarantee, the bottom of each Zippo lighter made since the mid-1950s was encoded/stamped with a variety of markings so he could identify which batch of lighters was being returned for repairs.What originally began as a quality control tool for Mr.
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The appearance of the word Zippo in the bottom stamp provides another clue to dating.