Barta & Tichy Praha Tile
Barta & Tichý Praha was one of the most famous ceramic factories in Europe.
Here is an example of their work which I found in Prague:
This factory has a connection to Lviv, for in the 1880s the famous architect Jan Lewiński opened a store in Lviv where products from Barta & Tichý were sold.
A few examples of these tiles can still be found in Lviv: