B & D MANUFACTURING PITTS PA ZIPPO LIGHTER SLIMLINE 1976 DATE CODE -KINDNESS | eBay
ZIPPO LIGHTER IDENTIFICATION CODES | Japan Lighter
Zippo - Roll call! 📣 How old is your oldest lighter vs. your newest lighter? Psst, you can tell by reading about our date code system here: https://fal.cn/3gztv | Facebook
RARE Vtg 1959 1960 Date Code Error Zippo Slim Drexel Furniture Ad Box Unfired for Sale - SimHQ.com
Zippo - Do you know why we started stamping date codes into the bottoms of our lighters? Decode your bottom stamp here: https://fal.cn/3898G | Facebook
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Zippo 600 Millionth High Polish Chrome Lighter | The Gift Emperor Shop
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Are these Zippos with no date codes fake? : r/Zippo