1936 1937 ZIPPO Chrome Finish Smooth Surface, Personalized Lighter, Flat Bottom. Bottom is smooth with no raised rim. Marked "Zippo MFG CO, Bradford, PA / ZIPPO / PAT 2032695 Made in USA". 4 Barrel hinge.Front has signature of owner. Chrome finish is in very very nice condition being smooth and flat. No wear places to the base metal. Has been used. Insert has 7 air holes on each side of chimney. Hinge works crisply and firmly. Shiny chrome insert is smooth and unmarked. This is a scarce early zippo in very very nice condition.