The lighters above were made from a rectangular tube, with the bases soldered on. Early Zippo lighters command a high price and are difficult to obtain. Building a collection of these would therefore take a considerable amount of both time and money. Like lighters from other years, there are significant variations in the manufacturing process that can help determine the exact year of production.
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How to Date a Rollagas Dunhill Lighter By Tad Cronn ; Updated April 12, Dunhill is a UK-based maker of upper-end products such as menswear, timepieces, leather goods, pens and cufflinks, many of which have appeared in James Bond stories and movies. The Rollagas lighter, introduced in , was Dunhill's first butane lighter; it employed Dunhill's thumb-roller design, which replaced the traditional flint wheel. Each Rollagas comes with a serial number that includes the date of manufacture. However, because the Dunhill company doesn't make its serial-number-deciphering method public, if you want to date your Rollagas, you'll have to contact customer service. Look for a serial number on the bottom of your Rollagas lighter. If the number is there, the lighter was made in the s or later.
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By Chris Sivley Date coding on the bottom of every Zippo lighters case is the Zippo Manufacturing Company's way of identifying when a specific Zippo lighter was created, whereas it might be dots, dashes, dates or even how the word "Zippo" is written. Date coding is a procedure that was adopted by the Zippo Manufacturing Company for quality control purposes. The date coding procedure was first started in the mid 50's when the date codes were stamped on the bottom of the Zippo lighter's case.
Valuable information on the bottom of every Zippo windproof lighter can help you determine its date of manufacture. Starting in the mid 50s, date codes were stamped on the bottom. The original purpose was for quality control. The date codes have since become an invaluable tool for Zippo collectors. Most lighters fabricated between and can be identified by style and model and the patent or patent-pending marks.