DOCUMENTS. Set of two "letters-journal" on paper size 22 X 14 cm, n° 19 (December 24, 1870), n°26 (January 12, 1871). One with a hole. ABE Intended for dispatch by mounted balloon, they were published by the printer and publisher Damase Jouaust, and appeared between two and three times a week from 22 October 1870 to 22 February 1871. There were 40 issues, the first 33 of which were published during the siege on paper (4g maximum). The letter consists of a double sheet, with the first two printed pages reporting events in Paris and the last two blank pages for private correspondence.