Vintage Lot of Three Stick Pin Brooches

This lot includes three gold tone stick pins. One pin has a gold question mark at the end. Another has a faux pearl and the third has the letter N. The question mark pin has a letter stamped on the back, depending on how you hold it the letter looks like an H, K, M or X so it's a little hard to tell a maker, but it is marked. They're all between 1 3/4"-2" long. The "N" is a little bent and one of the end caps is discolored, but otherwise great shape.