Help to identify - Approx 13g, 30mm dia, 2 mm thick [解決]

Hi, 

just got this in a mixed lot and do not know what it is. Photo colour is misleading,  I believe it is Silver. 
Help identifying would be greatly appreciate. 

Year 1354 denomination 1. Only 4 coins in Numista catalog.

https://en.numista.com/catalogue/index.php?r=&st=1-2-3&cat=y&im1=&im2=&ru=&ie=&no=&v=1&cu=&a=1354&dg=&i=&b=&m=&f=&t=&t2=&w=&mt=&u=&g=&c=&wi=&sw=

Thanks really appreciate the ID.

1935 1 Riyal - Abd al-Aziz (Saudi Arabia).