VTG 60s Olivine Crystal large brooch in EUC

Vintage circa 60s, stunning statement brooch made out of olivine green rhinestones, very well made, dimensional, the rhinestones are prong set and dazzle in silver tone rhodium coated metal, it can be worn on a chain, even though not signed, according to my research it could be made either by Weiss or Eisenberg. Condition: excellent pre-owned vintage condition, no tarnishing to the metal.