Nice Rough Lightning Ridge Opal Specimens 287cts Mixed Base Some Colour/Fires

I have for sale 4 Nice Opal Specimens from Lightning Ridge, South Australia. These weigh 287cts in total. There is a Split Sand Nobby, some Crsyatl inside/edges, Slight Fires in places, Green/Blue. Fits snuggly together.  Then a Grey/Black base Seam piece, Potch mostly with some Green Fires in the Top, some on both sides.  Lastly a Green/Blue MAtrix Type piece, odd thin shape with some better colour at one end,.,.  Interesting Specimen Parcel, the Grey/Black may rub a stone too,.,. Thanks for looking.,,.,.