Cook Islands – 2024 – 10 Dollars – Armillary Sphere Historic Instruments


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Issuing Country Cook Islands
Year of Issue 2024
Face Value 10 Dollars
Metal Silver
Fineness (purity) 999/1000
Weight 2 oz
Diameter 45 mm
Quality Antiqued
Mintage 1500 pcs
Scope of Delivery Box
Special features smartminting® (Ultra High Relief)


The armillary sphere, the 2nd issue of the «Historic Instruments series», is an early marvel of astronomical ingenuity. In its complex form, this remarkable device elegantly captures celestial and terrestrial circles. With the Earth at its center, this celestial globe is equipped with degrees for angular measurements.

During the 17th and 18th centuries, such splendid contraptions graced the parlours of academics, suspended in the air, perched upon ornate stands, or clutched by an elegant handle. The armillary sphere was allegedly invented separately in ancient China during the 4th century BC and ancient Greece during the 3rd century BC.