PORTA (Giovanni Battista della). De Occultis Literarum Notis seu Artis Animi sensa Occulte aliis significandi, aut ab aliis significata expiscandi enondandique Libri IIII. Explicantur autem inter catetera et veterum quoque scriptorum loca, hac de arte loquentia indidemque petita.
Montbeliard, Apud Iacobum Foillet, Expensis Lazari Zetzneri, 1593.
in-8...
Contemporary parchment with flaps, smooth spine decorated with gilding.  (réf. 114378).

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Extremely rare edition of this treatise on cryptography by the ...