Cook Islands

2023

This commemorative silver coin issued for the Cook Islands is part of the Historic Instruments series and is dedicated to the astrolabe, one of the most important scientific instruments of the ancient and medieval world. The design features detailed representations of navigation and astronomical tools, including an astrolabe, compass rose, telescope, hourglass, and celestial symbols, illustrating humanity’s early efforts to measure time, chart the stars, and navigate the globe. The obverse bears the effigy of Queen Elizabeth II and the denomination of ten dollars. The coin highlights the astrolabe’s crucial role in astronomy, navigation, and the advancement of scientific knowledge.