Mangan hyacintglas fra Fyens Glasværk, model fra 1924Height 22. 5 cm. Manganese hyacinth glass from Fyens Glasvrk. The model appears for the first time in Fyens Glasvrk's catalogs in 1924, the glass is offered in at least 7 colors and is only discontinued after the Second World War. The hyacinth glass is blown with a net like optic. Perfect condition. The color is very difficult to show. Its almost black in ordinary light, but manganese with light from the back.