There are many such pieces as these, often, multiples of the same piece. These were kept by Jack's widow for many years after his death. Several of these pieces have been deciphered, and dozens have not. If any person were to study the Schaff Alphabet, they would be able to make headway on tablets like these. There are so many, more important pieces, we just haven't got the time to do them all. If you want to try your hand at deciphering ancient Berber, go for it. A big clue of each original artifact is that they were carved on Au.