This goldtone brooch is shown in Paula Knudson and Karla Wacker's book of Juliana Jewelry. It is in very good condition and measures 2 1/4" long. In the picture of the back you can see some green color. This is very difficult to see in person. I had not noticed it until listing and saw it in the enlarged pictures. I had to look with a loupe to see it. The cut of the rectangle stone is very unusual and it flashes colors of green, yellow and blue. Aurora borealis gives the piece added sparkle.