This plate, made popular during the Art Deco period c. 1910-1940, is actually a reproduction of the Russell & Erwin set shown in their catalog of 1897.
Available in a huge assortment of functions including Bed/Bath, Hall/Closet, Single or Double Cylinder deadbolt, and a wide range of Mortise body functions.
Sold as complete sets; including all mounting hardware with any knob or lever in any finish.