Nice Rough Boulder Opal Specimen 403cts winton Queensland Australia Blue/Greens

I have for sale a Nice Rough Boulder Opal specimen from Near Winton, Queensland Australia. This one is 403cts and 60x35x28mm.,. It is ironstone with 2 patches/areas of Fires on there. Both have Blues, also with Slight Greens aswell. Nice specimen chunk, or will slice and clean up 2 cabs/Freeforms aswell.. Thanks for looking.,,.