Saudi Arabia 1/2 Riyal.

My coin as 2 dots after a e at bottom of reverse of coin , this is not listed , can anybody identify please date etc.

Welcome to numista,

please send a hi-res image of both sides of your coin.

Best pics I can do on my camera,

Kind regards

Wrong denomination and type.
N#3142 

two dots after AE   = ١٤٠٠

Arabic numerals

Dear Mr Midnight ,

Thanks for the information most helpful.

Kind regards,

Easygoing 

Dear Mr midnight ,

That means 1400 , Am I correct ?

Yes correct.

the small character below the date is I believe, the letter h for Hijri , the Islamic calendar.

EASYGOING

Dear Mr midnight ,

That means 1400 , Am I correct ?

Yes. The year AH 1400 which is roughly the year AD 1980.