History of Phra Kring Luang Pho Phra Sai, first edition. Phra Kring, Luang Por Phra Sai, first edition, year 1962. Thai Buddha amulets in Nong Khai, 1962. There are approximately 700 pieces made in history. They are cherished by people in the area of?? If anyone brings it with them, it will bring luck, wealth and safety from various dangers.