Buy Zippo Lighters (Identification and Value Guides (Krause)) Book Online at Low Prices in India | Zippo Lighters (Identification and Value Guides (Krause)) Reviews & Ratings - Amazon.in
Zippo case study
This chart shows you what year your Zippo is from : r/Zippo
File:Zippo bottom.jpg - Wikimedia Commons
Zippo Dating Codes | PDF
Zippo - Wikipedia
Vintage Zippo Lighters to Spark Up Your Collection | LoveToKnow
Small zippo lighter | Antiques Board
Zippo : Date Codes | Zippo lighter, Zippo, Lighter