International Reply Coupons 1907-1944 type Rome 42 ex. (3 ex. with 2 postmarks and 2 ex. without postmark) including 1 ex. used in Strassburg 1914 and 1 ex. used in Verviers 1915, type Stockholm 10 ex. (2 ex. with 2 postmarks and 1 ex. without postmark), type London 141 ex. (34 ex. with 2 postmarks and 5 ex. without postmark) in 2 books