Antique Ornate Metal Key Plate and 2 Door Knobs E Letter Y & T

Description

There are 2 knobs w the letter “E” and 1 plate. These are from a house in Springville, NY. The patent date in the knobs says
Apr. 7- 91. I believe that is 1891. They are cast iron and heavy. This is the original color and they have never been painted. Y &T means Yale and Towne.