Of Australian provenance, 
the pendant is crafted in 9K yellow gold, in lovely filigree motif,
measuring 28mm (including bail) x 17mm 
bezel set with Australian doublet opal of oval shape, 
of 15mm x 10mm in size, 
exhibiting magnificent spectrum of colours, 
 
surrounded by seed pearls
 
Total item's weight: 4.9gr. 
Vintage, circa 1960's