We need better input on Kohlert history. What I have collected is here.

Wikipedia says:
Kraslice (Czech pronunciation: [ˈkraslɪtsɛ]GermanGraslitz) is a town in the Karlovy Vary Region of the Czech Republic. From 1938 to 1945 it was one of the municipalities in Sudetenland.

"Graslitz Austria" means that at least the bell was made not later than 1918, for after the end of WW I Graslitz belonged to (then) Czecho- Slowakia and was renamed Kraslice.