Door Handle and Latch, Brass, Model 420 Tulip Russwin

Heavily patinaed brass decorative exterior door handle with thumb latch. There is a simplified tulip petal shape at top and bottom ends of handle, with parallel vertical grooves. No mounting hardware.
Item Measurements: 11(L) x 3(W) x 2(H).
Condition: This handle has some paint and scratches on it. The thumb latch is worn and the lever appears to have be shortened.