Carl Stölzle glassworks production, later known as Heřmanova Huť, part of the Sklo Union group in Czechoslovakia.
There was a large range of items in this pattern in a whole range of colours, including pink, blue, green, both clear and part-frosted items.
This one is pattern 19249 which came in 4 heights: 5", 8", 10" and 12". Yours is the 10" one (almost 250mm). Info from the database CD which accompanies the book Marcus Newhall: Sklo Union Art Before Industry: 20th Century Czech Pressed Glass.