All three coins are the same size and weight. 20.7g, 22mm diameter and about 7mm thick. The size and weight is the same as a 1 1/2 falus that I have in my collection, which is how I assigned the 1 1/2 falus denomination.
I've tried looking for regnal years 661 or similar which would put it in the 1200 to 1300 AD range. I've not had any luck so far.
I was going to write that the script seemed similar to those that I have seen on the Sultanate of Delhi issues. As I scannig those images I spotted the second coin. Coin #2 is solved as:
https://en.numista.com/catalogue/pieces48374.html