I recognize the Arabic numbers as (from left to right) 1,2,1,9. I always had fun trying to convert the Islamic calendar (that's probably not the right term to use) to our Gregorian calendar.
This weekend, I'm going to try to predict which direction you guys are flying around in. Then I'll take some photos in advance of my (somewhat limited) foreign coins and get ready to jump in when your plane flies my way! LOL.
You must be careful when reading the Arabic numerals on Maldives coins, sometimes they do it differently. Please read the comments below this coin on zeno.ru https://www.zeno.ru/showphoto.php?photo=225181&cat=all&ppuser=2407 I use this site for converting AH dates to AD: https://sites.google.com/site/islamandthequran/ah-years-converted-to-ad-years
I like the strike on that one, and the almost woody look to it. Up to Sri Lanka, 1200-1202 Sahasamalla AE massa, Polonnauruva period