Antique hat pins, a phenomenal trio of red, blue and dragon's breath art glass, measure 2-5/8", 2-5/8", and 2-7/16" respectively, and are AWESOME! The red one has a beautiful Art Nouveau design in brass around the perimeter and swirls of gold, gray-green, and black in the glass stone. It also has a teeeeny tiny hairline crack which you can kind of see in the highly magnified pic, just above the dark spot in the center red part. I had to look at it intensely under the loupe to even determine it ...