Opal: Semi black weight 14.20 carats (from Lightning Ridge) Oval cut with a low cabochon showing blocky pattern of cornflower blue on a navy blue base. With Australian Opal Cutters Certificate of Valuation $3195 (P) Estimate A$850
Antique. 15ct gold napkin ring. Marked 15ct O&Co 36.35g. "4" engraved on outside. Lovely piece. Nicely polished. Reserved at less than gold value. The first we have seen in 15ct gold Rare (P) Estimate A$1200
Opal: Crystal : weight 8.40 carats (from Lightning Ridge) Drop cut high domed cabochon, rolling electric green flashy & blocky pattern with great depth of colour. With Australian Opal Cutters Certificate of Valuation $3150 (P) Estimate A$850
Opal: Boulder weight 4.20 carats (from Queensland) Oval cut, flat face, green on blue. With Australian Opal Cutters Certificate of Valuation $1197 (P) Estimate A$400
Opal: Solid black opal weight 2.20 carats (Lightening Ridge) oval cut with a low cabochon, showing an electric green rolling flash on a blue base. With Australian Opal Cutters Certificate of Valuation $1320 (P) Estimate A$375
Opal: White weight 8.50 carats (from Coober Pedy). Drop shaped low domes cabochon, sparse green & orange blocky pattern. With Australian Opal Cutters Certificate of Valuation $2040. (P) Estimate A$750
