Most forms of paper currency, regardless of monetary value, possess a watermark which could be found when the bill is held up to the light. The watermark usually depicts a famous citizen of that nation or denomination numeral.
He is a good/ kind. boy. He is often kind and helpful to every classmate.
:)
In the early 1800s, many poor mentally ill patients lived unfortunately in "prisons" since this was long before the days when mental health was a serious consideration for many.