Hala Zeist "Zonneserie" hanging lamp

Rare hanging from the Dutch brand Hala Zeist designed by H.Th.J.A. Busquet. The lamp is part of the "Zonneserie" line, designed in the 50's . The lamp is in a reasonable condition, the caps have all 3 paint damage. The size of a cap is 15 cm in diameter and 20 cm high, total height including cord is 90 cm.