Porterglas fra Holmegaard GlasværkHeight 16. 5 cm. Beautiful porter glass or beer glass from Holmegaard Glassworks from the beginning of the 1900s. The glass is mouth blown with a clear rim and rounded at the bottom. The model appears in the glassworks' catalog from 1900 as No. 122. However, it has not been offered in an official catalogue with this type of decoration, a guilloche, as this technique was discontinued in 1910. In the book "Dansk glas 1825 1925" the glass is shown