- Ϡ (Š) (upper case)
ϡ • (š)
- Sampi, an obsolete letter of the Greek alphabet with a numeric value of 900 when used as a mathematical character.
- It was used in addition to the classical 24 letters of the alphabet to denote some type of a sibilant sound, probably [ss] or [ts].
- ϡ on Wikipedia.Wikipedia