Vintage Amber Brooch Baltic Egg Yolk Sterling Silver Open Back Art Nouveau Pin

This is a beautiful vintage amber brooch set in sterling silver. The metal has been acid tested for sterling. There are two types of amber featured in this piece, egg yolk amber and baltic amber. This pin has a very art nouveau look to it. The pin is 6 it is so tiny I can not make it out. Measures about 3" in length and 1.25" at its widest point. Great preowned condition, all photos taken in natural lighting.