It looks like a very nice, original example. The correct insert will be $20-40k, a seller was asking $60k for a red triangle last week.
If you got the hands sorted with radium and put a nice MK2 long 5 insert on it, which will cost $3-4K USD, I think you could get $30-40k.
As is, it could bring $25k USD.
Mine says hello.
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