I found this Austrian example listed for sale on ebay.
Rare Bohemia Glass Pendent in the Form of a Muslim Tawis Early 20th c.
Bohemia was always ready to reproduce in glass ethnic ornaments, European, as well as African or Asian,to replace the real objects. ,done in more expensive materials .
This pressed pendent is made as an imitation of the Persian tawis, habitually in cornelian and hand carved.
It can be dated around 1910.