Robeson Shuredge 3” pen knife with stainless blades, nickel bolsters marked Delhi. The range of production of knives marked Robeson Shuredge is from 1922 to 1977. An identical knife with a different promotional company logo dated this make to 1938 at the latest, this might also be from that same time or a little later.
Blades show light sharpening and have nice snaps, Robeson Shuredge knives were good quality and they did a good job with stainless for the day.
Most vintage pocket knives come unsharpened unless specified or requested.