Silver memorial spoon finial in the shape of a woman holding a pennant: the allegorical representation of Fortune. Fortune, resp. Fortuna "the goddess of destiny” This stem crown has been found on Frisian ornamental spoons since the 17th century.
Teetse Rinties ( or Rintjes, sometimes known as Taedse Rintkes) patronymic, or patronym;
https://en.wikipedia.org/wiki/Patronymic is Gebooren (born) Den 21 January 1743 Overleden (deceased) Den 7 Juli 1767
Probably daughter or wife of a miller.
The maker’s mark indistinct, perhaps struck twice, case of overstriking;
SvO for Sikke van Ommeren, registered in Leeuwarden 1751-1779.
Peter.