Dutch 1914-1918 Mobilisation cross medal

Dutch 1914-1918 Mobilisation cross medal. Brass cross over a round circle with bunches of arrows. The cross is marked: 1914 Augustus and 1918 November. The cross is attached by a brass suspender ring to the a ribbon in the colors of the Dutch standard: Red, white and Blue. The reverse side is marked MOBILISATIE over VREDE over  EER ( =Mobilisation over Peace and Honor). There is a small proof mark on the reverse side: B and two small stars in a shield.