Zippo hinge is loose, not sure if it’s the original pin or has been replaced, but it could use repair. Doesn’t have that satisfying zippo snap. I put a new flint inside. Not sure of the exact date, according to the zippo chart 1958 is four dots on each side with Patent Pending, this is four dots on each side with Pat # 2517191. Jet star first flew in 1957. AI generated description: Up for sale is a classic Zippo lighter, featuring the iconic Lockheed Jetstar design from the 1950s. Crafted with precision and quality, this item is perfect for collectors and enthusiasts alike. The hinge may be slightly loose due to its age, but this does not detract from the overall aesthetic and functionality. Proudly display or use this vintage Zippo lighter as a statement piece and add it to your collection today.