His work strongly reminds me of Gustav Tichy of Moravska Ostrava(Mährisch Ostrau) and Olomouc is only say 90 km West(really SW) of Mährisch Ostrau. So possibly Teichman passed thru Tichy's shop, possibly was an apprentice there or just they were contemporaries ¿¿¿

Gustav Tichy link:

https://www.doublegunshop.com/forums/ubbthreads.php?ubb=showflat&Number=624369&page=1


Serbus,

Raimey
rse