The Avestan alphabet is a writing system developed during Iran's Sasanian era (226–651 CE) to render the Avestan language.
Avestan alphabet
Avestan chart by Carl Faulmann
Romanization or Latinization of Persian is the representation of the Persian language with the Latin script. Several different romanization schemes exist, each with its own set of rules driven by its own set of ideological goals.
A sign shows the name of a station with both Latin and Perso-Arabic scripts at Varzeshgah-e Azadi Metro Station.