How the encounter with mysterious signs visibly old can mark it personal history researcher and take on some territories markedless? These signs used for centuries by Corsican millers show the impact of writing and ancient ciphers, now almost forgotten. The Mediterranean islands guard the mystery of ancient scriptures and yet undeciphered as the A Linear in Crete or inscriptions on Phaistos Disc in Cyprus. Corsica participates in the story of the transcript of the oral and written by the system figures the best historians are unable to establish its origin.