These are clip earrings. And they could be as recently as ten to fifteen years old. The silver is Balinese. And the bone is likely from India.

The "granulation" is not fabricated. But it is made by sophisticated casting techniques.

-In Chinese construction, a container bead or pendant was meant for holding fragrances and then held shut in various ways.

I have seen clasps similar to these, but I've not noticed Balinese open ball beads constructed as containers before.