Hi Aurangzeb
I have a jambiya much like yours but mine is an older one. I bought mine from Artzi's table at the Maryland show. Artzi thinks it's an old Yemen style jambiya and my friend Saleh who is from Yemen told me it is a style that is found along the border between Oman and Yemen. Here are some pics of my jambiya with a close up of the hilt. The silver is a good grade and is quite heavy. Your jambiya is quite nice and I like the amber hilt
Lew