Collectible silver rings
1- Royal silver ring with rare Yemeni green agate
2- Silver ring, Baqili Yemeni craftsmanship, with agate of unknown type
3- Silver ring with green stone of unknown type
4- Royal silver ring with black agate that shows red strongly and has a white vein, its origin is unknown, Yemeni or otherwise
Their sizes are approximately between 6 and 7.