Restoring rusty vintage pocket knife --- AF invention

As this weeks project, I will completely restore this rusted and damaged vintage pocket knife. The large blade has small crack and the tip is badly bent. The guy who sold this to me told it had been sitting in a box which was packed away in 60's which means this knife is at least 50 years old but probably older because is clearly wasn't new when it was put in the box. I think it's Solnigen pocket knife, because of the shield symbol and text on the blade., Usually they say "Solnigen garantie"