Type Rome 7 ex. (1 ex. not postmarked, 2 ex. with 2 postmarks), Stockholm 1 ex. with 2 postmarks, London 6 ex. (2 ex. not postmarked, 2 ex. with 2 postmarks), Vienna 12 ex., Lausanne 6 ex. (2 ex. with 2 postmarks) and Peking 1 ex. not postmarked