How Much Is It Worth To Have The Only One?

$450 million dollars to have the one and only Da Vinci ‘Jesus saves the World’ (my translation’.
There is actually only one of everything. Everything is the only and only/ My 10 year old phone is the only phone of it’s type owned by me.
I am the one and only me. How much am I worth? Bids invited. (You can only take possession of your purchase when I am dead and finished with it).