Pair of matching deco white porcelain architectural light switches. They are switches are single pole and are marked P. P. Inc. These switches are made for surface mounting directly to the wall or door frame.
They measure 5" long, 1 3/4" wide (side to side) and about 2 1/4" thick and don't look like they have ever been used. The ironstone porcelain housings are unbroken to allow the electrical wiring in or out.
There is also the remains of the original installation wiring instruction sheet.
These are from the estate of a man who worked architectural restoration and salvage for many years.