Antique Greek Key Art Nouveau Stick / Tie Pin with Red-Pink Glass

This is a unique antique stick pin with an Art Nouveau style top. The top is accented with a Greek key pattern, and it features a piece of red-pink cut glass. There is some loss of the golden color, especially around the edges. Overall, the pin is in very good shape. Likely made around the 1900s-1910s. Approximate Length: 2.75 in.