Red wool knit hat with hat pin

A red, wool knit hat (a) and hat pin (b). The hat is composed of three wool knit panels that have been connected in the round. They are connected horizontally and vertically creating a seam in the back. There is dark discoloration (two spots) one on the center front and one on the lower third of the hat, where the hat pin used to be. The inside of the hat is unlined. The steel hatpin (b) has a black glass pin head.