The glasses have signs of wear and some impurity.
Hourglass-shaped beer glasses from the early 1900s.
Glasses like these are made in almost all Danish glassworks from the 1890s to the 1930s in two sizes. This is the big size. They are directly referred to as "Crown Glass" in many of the glassworks' catalogs, among others. Holmegaard and Fyens Glasværk.