Conservation pot vase Conservenkrug Westerwald 1910

Rare conservation pot in sandstone marked "conservenkrug westerwald drgm" manufactured by a german firm, capacity marked on the pot of 1litre 1/2. Original as a vase for an industrial decoration. It dates from about 1910. Dimensions: 23 X 12 X 12 cm. Good general condition, some manufacturing defects and two small splinters (one on the shoulder and the other under the base but both discreet).