engraver

The Definition of Engraver?

Engraved letters were produced in the last third of the XIX th century for display purposes.
In the early XX th century, type designers fashioned hot metal typefaces based on these letters.
Morris Fuller Benton, Frederic Goudy, Robert Wiebking, among others.

How do you define these letters in terms of style and how do you explain their many social uses throughout decades and centuries?
Your interpretation is needed…