How old is an Iver Johnson sealed eight shot revolver serial number L29926?

If your Iver Johnson sealed eight revolver has one piece wooden grips,then it was made from 1932-1941 this was the first model which also had a 6in.or 10in.barrel.The second model had a oversized wooden or plastic grips and a 4 1/2in or 6in.barrel.These were made from 1947-1952.If it has a 2 1/2in barrel this was the snub model which was made from 1952-1954.