Dating zippo table lighters
There have been three major changes, as shown in inset.
From 1933 to the mid 50s the word Zippo was stamped in block letters. From August, 1949 through July, 2002 Zippos were also produced in Niagara Falls, Canada - the only place other than Bradford, PA where they were ever produced.
Zippo's first table lighter, the #10 Tall Table Lighter was produced in limited quantities between 19, then discontinued.Production of the Lady Bradford was discontinued in 1951.The Moderne and Corinthian table lighters were both introduced in 1960.This should provide the information to fix a relatively precise date for any Zippo lighter.Slim lighters were first introduced in 1956, with a flat bottom and no date code.