Portugal, August 9, 1866.
Russia, May 22, 1867.
Roumania, November 30, 1874.
San Salvador, December 30, 1874.
Servia, March 24, 1876.
Chili, November 15, 1879
Peru, April 22, 1880.
Bulgaria, March 1, 1884.
Luxembourg, October 5, 1888.
Switzerland, October 1, 1864.