Hi all, I have in my possession a 25 carat opal from Coober Pedy with the original letter of sale dated back to 1975.
I am unsure of any costs it could be worth and would like to get some insight.
I also have a 2nd letter which is a response to the first.
Cheers.
I am unsure of any costs it could be worth and would like to get some insight.
I also have a 2nd letter which is a response to the first.
Cheers.