Leviticus 27:3

3 set the value of a male between the ages of twenty and sixty at fifty shekelsa of silver, according to the sanctuary shekelb ;

Read Leviticus 27:3 Using Other Translations

And thy estimation shall be of the male from twenty years old even unto sixty years old, even thy estimation shall be fifty shekels of silver, after the shekel of the sanctuary.
then the valuation of a male from twenty years old up to sixty years old shall be fifty shekels of silver, according to the shekel of the sanctuary.
here is the scale of values to be used. A man between the ages of twenty and sixty is valued at fifty shekels of silver, as measured by the sanctuary shekel.