Office clipboard from the 60s

Press paper transparent sulfide ball with drop green inside. changes color depending on light density. Before even their Clipboard function sulphides are decorative objects in themselves. This sulfide can be found so always a place on your desk, your cabinets, tables low etc. Each sulfide is unique because handmade, blown mouth. Slight variations in size and rendering (color pigments not necessarily embedded in the same place, in the same way) exist because these pieces are made using techniques of the arts and crafts. Each piece has its own personality. Diameter: 7.5 cm