Discontinued - Several Replacement Options
Atrium / Maywood Door Original Hardware made by the National Lock Company, other designs by Amerock also discontinued.
Backset: 2 inch
Handle: low profile Stubby passage lever with 2 inch backset
Deadbolt : Standard duty with 2 inch backset
Color / Finish: Antique Brass or Polished Brass
This was used by the Atrium, Maywood Door company and others on narrow stile doors. and is not available as shown;

Note: The passage lever handle set has concealed screws. The handle should have a slot that can be push in to remove.  The trim plate will pop off to access screws

Replacement Options:
40502 - Deadbolt, 2 inch backset
40504 - Passage Lever, Curved Handle
40505 - Passage handle, Stubby low profile lever