The last addition to the collection, the U-3108 made by PHK (https://www.nia.org/general/pifous/logos/makers/hermsdorf.htm) in Germany before it was renamed Hescho in 1923. High-quality green glaze and undamaged found here in Norway and was probably imported in the 1920s when high-voltage power lines leading from numerous hydroelectric power plants to, for example, sawmills, mills and other businesses were built.