Vintage aluminium space age pendant lamp

Mid-century aluminium space age pendant lamp. The piece is made out of aluminium metal. The height of the lamp can be adjusted with the suspension mechanism. The inside of the piece has an orange lacquer, creating a beautiful glow. The lamp requires one E27/26 lightbulb. Condition: Good. The lamp is still in good condition, but has some user-wear. The rounded shape is not completely even, see pictures. There are some small vague scratches here and there, see last picture. Dimensions: diameter 41 cm, height (shade) 24 cm.