Do the hash marks on the bottom of a Zippo lighter show different quality the more hash marks there are? - Quora
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Zippo Lighters: An Identification and Price Guide: Kristian Pope, Russell L. Lewis: 9780873496971: Amazon.com: Books
![Zippo Lighters: An Identification and Price Guide: Kristian Pope, Russell L. Lewis: 9780873496971: Amazon.com: Books Zippo Lighters: An Identification and Price Guide: Kristian Pope, Russell L. Lewis: 9780873496971: Amazon.com: Books](https://m.media-amazon.com/images/I/51mk5B5a7KL._AC_UF1000,1000_QL80_.jpg)
Zippo Lighters: An Identification and Price Guide: Kristian Pope, Russell L. Lewis: 9780873496971: Amazon.com: Books
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