used 1883-1918, the duplicated used collection with 1883 values to 50Kr. (15) including perf. types and cancellations, later issues with much duplication of postmark interst, 1908 issue values to 10Kr. (3), 1910 Birthday set to 5Kr. and 10Kr. (2), 1916-17 to 10Kr. (both), overprinted issues including Czechoslovakia and Trentino. Majority good to fine. (hundreds)