A 1930's Bavarian Industrial Faithful Service Medal in its Case of Issue

An imperial “Treuedienstabzeichen der Bayerischen Industrie” in its case of issue; consisting of only the award - missing its miniature and its spare ribbon; the award in silvered bronze and blue and white enamels; mounted onto its parade ribbon; measuring 45.15 mm x 34.15 mm; accompanied by its case of issue; constructed of turquoise leatherette; the exterior of the lid embossed “Treuedienstabzeichen der Bayerischen Industrie” in golden lettering; lined interior lid with a slotted medal bed; functional closure; intact interior fabric hinge cover; functional exterior metal hinge; measuring 132 mm x 68 mm; in overall very fine condition.