hi - not that it will help with an id unfortunately, but just to say that it's probable that the comment this "has features that resemble items made by the Pfohl Family.", is a reference to the enamel painted floral pieces from this factory - some of which are exquisite - they may possibly have produced more pieces decorated with flowers than other factories. Most of their floral work looks to have been produced in the first third of the C20, but other Bohemian factories during that period also produced similar work, so not perhaps an easy question to answer.
According to the Truitt's book - 'Collectible Bohemian Glass 1880 - 1940', artists known to be working at this factory were Erwin, Pfohl Neuwelt, Julius Posselt, Alexander Pfohl (junior and senior), Brigitte.......... none of which appear to have 'eiz' in their name.
Let's hope that someone will have the answer for you. A very attractive piece by the way.
