Need to know this coin original or not 10 Riyals 2006 Asian Games, Volleyball

Hello friends I have 10 Riyals 2006 Asian Games, Volleyball weight -31.4 diameter-40mm and thickness 2.7

but as per numismatic site weight 31.1 thickness 4mm and diameter 40.6 mm can any one confirm 

my coin original or fake ?

but I test my coin in metal testing machine it’s showing 99% silver 

Help us to help you. Always include a link to the Numista listing.

N#100101 

Can you suggest my coin original or fake ?

your coin seems authentic, thickness 4mm isn't possible, compare the dimension of silver oz coins, for example N#1493