This beautiful 1 Oz Silver coin is dedicated to Koi Carps and an extremely lucky number in the Chinese culture, the number that resembles the mathematical symbol for infinity – the Eight. The coin has a unique design, has an incredible rotating Topaz insert, has an Antique Finish quality
Topaz is a silicate mineral of aluminium and fluorine with the chemical formula Al2SiO4(F, OH)2. Topaz crystallizes in the orthorhombic system, and its crystals are mostly prismatic terminated by pyramidal and other faces. It is one of the hardest naturally occurring minerals (Mohs hardness of 8) and is the hardest of any silicate mineral. This hardness combined with its usual transparency and variety of colors means that it has acquired wide use in jewellery as a cut gemstone as well as for intaglios and other gemstone carvings. Topaz in its natural state is a golden brown to yellow, a characteristic which means it is sometimes confused with the less valuable gemstone citrine. A variety of impurities and treatments may make topaz wine red, pale gray, reddish-orange, pale green, or pink (rare), and opaque to translucent/transparent. The pink and red varieties come from chromium replacing aluminium in its crystalline structure.
The reverse of the coin features eight koi fish swimming beneath peonies and encircling a rotating yellow topaz charm. Eight is considered the most propitious number in Chinese culture. On the left of the reverse, the inscription: “1 OZ 9999 SILVER” – the weight of the coin and the fineness of the Silver. The obverse of the coin portrays the Ian Rank-Broadley effigy of Her Majesty Queen Elizabeth II and the inscriptions: “QUEEN ELIZABETH II” – the name of the Queen, “1 DOLLAR” – the face value, “TUVALU” – the issuing country, “2018” – the year of issue.
|Weight (g)||1 oz (31.1 g)|
|Presentation case (box)||Yes|