Vintage Native American Zuni Kachina best Pin Blue Chalcedony & Fire Opal in Sterling Silver

Vintage Native American Zuni Kachina Pin in an overlay design with inlay of an extremely lovely Lavender-blue Chalcedony & Fire Opal set in Sterling in the traditional Zuni way. The dainty 1-5/8” pin is slightly domed north to south with a small 7/8” rollover pin back in good working order. Wt: 3.3g. Stamped with artist's hallmark (very tiny ... I wasn't able to make it out) STERLING. Nice vintage best condition with patina consistent of a pre-owned piece of this era, 1960's-70's.