The Roman numerals XVSS do not have a standard meaning or interpretation. They do not represent a specific number or value in the traditional Roman numeral system. It is possible that XVSS may be used as a unique or personal representation of numbers or letters by an individual or organization.
the noun a smile derove around 1562 from the verb to smile which reached English around 1300 from possibly various continental sources that all harken back to a prehistoric common proto indo European ancestor word which was hypothetically something like smei