Set includes one brass knob, one lever knob, one rosette and a spindle. This is an Art Deco style of design that was popular in the 1920s and 1930s. The manufacturer and exact date of creation are unknown. The dimensions are Lever 3.25 in. L x 0.75 in. W, knob 2.125 in. D x 1.5 in. diameter, rosette 2 in. diameter.