Dating zippo inserts
Black crackle models made of steel with a four-barrel hinge are only produced this year. The first is the one which is used allready 1941 , the second has the " date-code-error" , which lost the 2 in the middle of the pat.number.
There are numerous sites around the internet that give dating charts for Zippo Lighters, and there are also dating guides in many of the Zippo Books.
This variation with the flat bottom is only produced in 19.
Lighters produced today are made the same way with the extended hinge.
The model 1 is a sought after piece amongst collectors and always commands a premium price.
Blaisdell produces first square-cornered windproof lighter with no diagonal lines on the corners.
If you can add any information please feel free to contact me The factory in Canada opened in 1949 and closed in 2002.
Codes were not used on the lighters until 1987, so we have to look closely at the bottom stamp and the insert to try to determine the date of manufacture.
Dating lighters made at the Canadian factory is a little more difficult, and often confusing, but with a little detective work, many of the clues are there.
There is still much work and research to be done, and this page is by no means complete.