Added: Tatum Yarger - Date: 17.04.2022 08:20 - Views: 43640 - Clicks: 899
Since , most Zippo lighters have carried a date code stamped on the base. Originally this was intended as a quality control record, so that lighters returned for repair could be identified as to when they were manufactured and if, for example, a of lighters were returned with the same fault then Zippo could identify a possible defect in the manufacturing process or even a supplier of one of the components.
Even prior to the coding system we can go some way to identifying the approximate year of manufacture, as the stamping on the bottom has changed slightly over the years. Lighters assembled at the Canadian factory are covered here - Dating Canadian Lighters. As lighters are meant to be used, coins or keys carried in the same pocket can cause scratches on the bottom of the lighter so it is necessary to look very carefully at the bottom, as the marking can be quite difficult to make out. A magnifying glass can be quite useful. On the image below we can clearly see that there are four dots, either side of the word Zippo.
The dots were used between late and As there were some alterations to the positioning of the text on the bottom line, some codes were used twice, therefore close attention should be paid to the text on the bottom line for lighters with 7 or 8 dots. The next set of codes used upright lines either side of the word Zippo. These were used between and Again 8 lines were used for the first year of the series, with one line being removed each year.
From until the solidus now commonly referred to as a forward slash was used. In an error was made and the slash was removed from the left instead of the right. In July 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. The replica series introduced in in were the first lighters to carry the Roman Numerals and lighters are stamped with I, but no date letter.
Early lighters of this series do have earlier date codes. This series continued until In March the roman numerals were supplemented with the actual year of manufacture printed below the roman numeral XVI. Then in the roman numerals were removed completely and just the last two digits of the year were shown 01, 02 etc.Dating old zippo lighters
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Vintage Cigarette Lighters