Features: Extra London Spring Steel, fine grained Blade, Warranted, Polished Rosewood Handle, five Brass Improved Screws, one Embossed. No Saw superior to this in the world.
Estimated Dates of Manufacture: 1880(?) - 1895(?) The No. 50 saws appear in the 1884 catalog, but not in the 1895 National Saw Company catalog.
I have not come across an example of the No. 50 handsaw.