cover 1941 part cover (top half of front and back, opened out for display) to Chiavenna (22.3 arrival) bearing Italy 20c. and 30c. corresponding to Italian internal rate, cancelled by "BATTAG". ITALIANO IN CINA/TIENTSIN" c.d.s. (22.3.41) in violet with censor label on reverse; sent by a non-commissioned officer of the Italian Navy stationed in Shanghai, this is latest recorded date of use and the only example known thus far sent during World War II. A great postal history rarity. Enzo Diena certificate (1988). Photo