2023 Cook Islands 3 Ounce Antikythera Mechanism 24K Gilded Silver Coin


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Antikythera Mechanism is the 10th issue in the ‘Archeology & Symbolism’ series.  Taking advantage of ultra high relief Smartminting©️ technology, the Antikythera mechanism is presented in a completely new perspective.  The coin is fully wrapped in 24K gilding and is struck on a large diameter 3 oz pure .999 silver 65mm blank.

It has an exclusive low mintage of only 111 pieces for the fully gilded version and it delivers in a beautiful box with a Certificate of Authenticity.

You can find the entire lineup of Antikythera Mechanism premium finishes  HERE

Coin description:

The reverse depicts the Antikythera Mechanism in ultra high relief in the middle.  Around the motif are various bas sculptures from ancient Greece surrounded by a circle of waves and metal ornaments representing the sea and ship it was found in.  On the edge are the inscriptions: “Antikythera mechanism” (the name) and “2023” (the year of issue). It has ultra-high relief and interesting small details all related to ancient Greece and its scientists.

The obverse side of the coin depicts the Coat of Arms of the Cook Island in a special appearance with the inscriptions: “ELIZABETH II” (name of the Queen), “COOK ISLANDS” (the issuing country), “ARCHEOLOGY & SYMBOLISM” (the name of the series) and “20 DOLLARS” (the face value).

Background information:

The Antikythera Mechanism is generally referred to as the first known analogue computer and discovered in 1902 in a Roman shipwreck of the coast of Antikythera, Greece.  It was constructed by Greek scientists in the 1st or 2nd century BC based on theories of astronomy and mathematics of that time. Studies have revealed that it must have had a minimum of 37 meshing bronze gears in a wooden frame.  These gears were able to track the movements of the Moon and the Sun through the zodiac and was able to predict astronomical positions and eclipses many years in advance.


Struck from 3 oz of fully 24K gilded pure silver
Interesting and intricately minted fine details
Popular and enduring concept series
Super low mintage
Smartminting high relief

Previous issues:  Dendera Zodiac  Coyolxauhqui Stone  1922 Tomb


Series: Archeology & Symbolism
Year: 2023
Quality: High Relief, 24K Gilded
Denomination: 20 Dollars
Metal Content: 3 Troy Ounces (93.3 Grams)
Purity: .999 / 99.9%
Mintage: 111
Issuer: Cook Islands
Diameter: 65 mm
Delivers With: Capsule, Presentation Box, Certificate of Authenticity