1866 - Military Mail, Third Italian War of Indepen

 1866 - Military Mail, Third Italian War of Independence, stampless cover dated 5 July 1866, addressed to Chiavari, bearing on the front the double-circle ‘POSTA MILITARE ITALIANA (N.18) 16 LUG 66’; taxed on arrival with a 20c handstamp. Unique known document taxed 20c with this type of cancellation (mentioned on p. 208 of the book 1866. La terza Guerra d'Indipendenza. La Posta Militare Italiana, study by Carra-Carraro, 6 recorded documents, of which 5 are franked and 1 taxed)