Netherlands – Dutch East Indies Hello

This lithograph poster celebrates the groundbreaking advent of radiotelephony between the Netherlands and the Dutch East Indies. Designed by Han Harloff in the early years of long-distance telecommunication, it highlights the technological leap that enabled real-time voice contact across continents. At the time, a three-minute call cost a staggering 30 guilders—more than a week’s wages for many workers—underscoring both the novelty and exclusivity of the service.