Momento cryptographique.
Contributors: George Fabyan Collection (Library of Congress)
Publisher: s.n.]
Published: 1898
Place of publication: [Paris?
Language: fre
Number of pages: 24
Subjects: Cryptography.; Ciphers.; Signs and symbols.
Notes: Cover title.
Holograph notebook; cutout grill (decoding device?) in pocket; label on cover: "c ciphers box".
LC copy is item no. 447 of the George Fabyan Collection.