RARE Antique Letter Opener STERLING PACKING & PROV. CO. STERLING COLO. Cattails

Here is a rare and hard to find antique original double sided advertising letter opener for STERLING PACKING & PROV. CO. STERLING, COLO. It belonged to my Grand Father. Blade looks like stainless steel and the handle looks like aluminum. It is in Good Condition and the blade has some slight bends and tiny nicks on the tip.