The script on the right-hand-side coin is not Arabic; though when turned sideways it does resemble Arabic. The script, and therefore the coin, is actually
Mongolian and is meant to be read vertically. The coin is a 10 mongo from the 1930s.
World Coin Gallery page.
Don't say "infinitely" when you mean "very"; otherwise, you'll have no word left when you want to talk about something really infinite. - C. S. Lewis