Best Sterling silver bouquet brooch with clear crystals

Elegant, well made and solid, traditional floral bouquet brooch.
Brooch has two flowers with double, scalloped petals, raised, single rhinestone centers and surrounding it best pierced ray pattern.
Elongated leaves are quite intricately designed with curves, bends and swirls.
Single stem is tied with a short, double ribbon, having one part in plain silver, one pave set with clear rhinestones.
Brooch is pave set with clear, chaton crystals, with just flower stems and parts of the leaves in a mellow polished silver.
Brooch has a smooth underside, stamped STERLING. No maker's mark, but style would suggest it was made in 1930 till early 1940 period.
Pin weights 19.02 grams and it is in a good condition with a very slight, golden patina. Brooch looks like it was partially hand fashioned and finished.
Brooch has a rotary clasp and a safety pin type hinge.