Spa, a municipality in the province of Liège, where nineteen issues of emergency paper money were issued during the First
World War, two undated and the others dated 12 August 1914, 4 September 1914, 13 October 1914, 27 October 1914, 8 December
1914, 30 January 1915, 6 April 1915, 8 June 1915, 31 July 1915, 12 October 1915 (three issues), 27 January 1916 (two issues)
and 29 July 1916 (three issues).