@rwc, the date is on top of the reverse. You can see two dates there: 1975 and 1395. The AD date is listed first. Here is a link to the numista page to help you with your research:
https://en.numista.com/7563
"If you climb a good tree, you get a push."
-----Ghanaian proverb
"The danger we all now face is distinguishing between what is authentic and what is performed."
-----King Adz