Vintage 1970s Unusual Natural Organic Apple Blossom Coral Turquoise Necklace

18” in length.10mm coral beads.
Old engraved pendant is very unusual. It measures 45mm in length. 30mm wide and 25mm thick.
It is a mixed metal art piece.
The front engraved half is acid tested to be at least 925 sterling silver. The back half looks to be bronze.
There are beautiful disk shaped natural turquoise beads as accents to the gorgeous apple coral beads.
Also disk shaped silver accent beads.
No hallmarks.