Inkwell in pewter with owls from Hertz / Ballin

Inkwell in pewter from Mogens Ballin successor H. P. Hertz. Decorated with a pair of owls. Glass insert in good condition. pewter parts and glass with no damage or repairs. Factory marks on the bottom. Produced in 1917. Unknown artist. Dimensions: 9½ cm high and pen tray is 18 cm long.