I recently added more undeciphered materials in "Unsolved Historical Ciphers".
Many letters (Italian?) in BnF fr.2988, f.21 ff., seem to be written in the same cipher, probably simple homophonic substitution.
More specimens of the Venetian? cipher with superscript are found in BnF fr.2988, fr.3019, fr.3022.
Undeciphered letters to Emperor Charles V are found in BnF fr.3022.
The section "Earliest French Ciphers (1526-1530)" references "French Ciphers during the Reign of Francis I", in which I added another unsolved letter from BnF fr.3081.
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