Phra Nang Phaya (Thai : พระนางพญา) amulet from Wat Nang Phaya temple in Phitsanulok Province is believed to be commissioned by Queen Wisutkasat in the Ayutthaya Kingdom. The amulet was discovered when workers dug up an area in the temple to prepare the stage for King Chulalongkorn's visit for the casting of a replica of famous Buddha image Phra Phuttha Chinnarat (Thai : พระพุทธชินราช) there. This amulet was also discovered in nearby temples such as Wat Ratchaburana (Thai : วัดราชบูรณะ). From Wikipedia, the free encyclopedia: https://en.wikipedia.org/wiki/Thai_Buddha_amulet Photo by http://blog.sina.com.cn/s/blog_c3125f550101lqfe.html
A Thai Buddha amulet (Thai: พระเครื่อง), often referred to academically as "votive tablet", is a type of Thai Buddhist blessed item. It is used to raise funds to help the temple's operations. A Thai Buddhist monk will give an amulet to Buddhists as a "gift" after they donate money or offerings to the temple.