Quanto vale essa meda de 10 diez soles oro 1964? [solved]

There are 25 past sales on the Numista coin page you can use to determine how high above melt value they have sold for.  Look at the date, the price of gold on that date then apply that to the price of gold on the day you sell it. Then discount yours some as it has not been graded.

For example in May 2025 price of gold was US $3,300.  Melt value was $489. A graded MS66 coin sold for $516 or melt plus 5.5%.