 Although the style employed is archaic, X-ray studies of the statue, suggests that it is the younger of the two because of the sophistication of the casting, the bronze being no thicker than one centimeter, the rarity of air bubbles, and the high quality metal.Some scholars have used the evidence of the x-ray photos to suggest a later date for the treasure.Generally, scholars believe that the image was cast in Silla based on the fact that there were several anecdotal stories stating that the Japanese man who rediscovered the image had found them in the ruins of a temple in what was once Silla.