Well I think I can help with the translation issue .....
Quote:
The inscription on it is Arabic : Ya Sahib Al Zaman .
.....it means Owner of time in English !

The Owner of time is correct
Quote:
Ya is interjection in Arabic , Sahib Al Zaman is trait of 12th Imam of Shia in Islam

Muḥammad ibn al-Ḥasan al-Mahdī (born c. July 29, 869; 15 Sha‘bān 255 AH) is believed by Twelver Shī‘a Muslims to be the Mahdī, an ultimate savior of humankind and the final Imām of the Twelve Imams.
10xloupe: a pic of the other side would be helpful, unless both sides are the same ..... if so, this is not a coin ... it is a Token