Vintage cheapest Native American double Onyx jet stone feathers sterling silver ring

Vintage Native American double Onyx jet stone feathers sterling silver ring.

In very good vintage condition.

Marked 925 on the ring. The marker's mark is also indicated on the ring but I am not familiar with it. Would gladly appreciate if anyone can shed some light :)

Length of the stone: 3cm

Diameter of the ring: 2cm


All photos were taken under natural lighting. I do not use any filters on my photos. This item is preloved, which means it has a life prior to this. Hence cheapest some imperfections may be found. Thank you !