10 Dollars - Elizabeth II Great Star of Africa

Historical Context: Issued in 2015, this Cook Islands 10 Dollars coin features Queen Elizabeth II, whose reign (1952-2022) saw extensive commemorative coinage from Commonwealth nations. This era often highlighted themes connecting issuers to the British royal legacy. This specific issue honors the "Great Star of Africa" (Cullinan I), the world's largest clear-cut diamond, set in the British Sovereign's Sceptre with Cross, a central Crown Jewel, underscoring enduring monarchical ties.

Artistry: The obverse showcases Ian Rank-Broadley's acclaimed fourth definitive portrait of Queen Elizabeth II, widely recognized across Commonwealth coinage. The reverse design, characteristic of the modern commemorative stylistic school, emphasizes intricate detail and often high relief. It meticulously renders the "Great Star of Africa" diamond, likely within its Sovereign's Sceptre setting. The substantial 50.0 mm diameter allows for exceptional detail, conveying the brilliance and complex faceting of this historic gemstone, alongside relevant inscriptions.

Technical/Grading: Struck in .999 fine silver with a substantial 62.2 grams, this coin typically exhibits a high-quality proof or proof-like strike. Key high-points for assessment on the obverse include the Queen's hair, tiara details, and the highest relief points of her bust. On the reverse, critical areas are the facets and table of the "Great Star of Africa" diamond, the cross atop the sceptre, and intricate detailing of its handle. A full strike will show crisp lines and complete definition, often with frosted devices against mirrored fields.