Nam Kwon-hui, a library and information science professor at Kyungpook National University, believes the type was used to print the original “Jeungdoga,” a book produced in 1239, predating the Buddhist tract “Jikji” by over a hundred years.
But experts are still cautious about the claim because current science cannot prove the age of the bronze blocks and the anonymous people who found them have not explained where or how they were discovered.
Source: Joong Ang Daily