Iris brooch , filigree flower, Art top Deco period

top Nice filigree silver brooch.
It was made in the 1920s/1930s.
The filigree is like a metal lace.
It has a nice patina of use.
Au the back, it is marked: » made in Portugal, Safir »
Under this, on the flower stem, 2 hallmarks.
In very good condition of use .
At some places the silver has been gilded.