Nice Queensland Boulder Opal +925 Silver Bail 50.9cts Fires/Pattern/Unique Australia

I have for sale a Nice Cut/Polished and drilled Boulder Opal Cab from Queensland Australia. Winton Area. This one weighs 50.9cts including the silver bail and small tube holding the bail. (Silver Not Marked but tested) The size is 26x21x12mm.  It has a Nice unusual pattern on the front with a Hooked vein and pool of Multicolour Opal in it. Also some Potch aswell. The back shows some Greens mixed into the ironstones. Just need a Chain and its ready to go.  Great finished item,.,.  Thanks for looking,.,.,.