Technical Specifications
Sovereigns minted since 1817 have been produced according to the coin act of 1816:
- Weight: 7.988052 g (calculated from original definition; the coin act of 1971 adjusted the standard to exactly 7.98805 g.)
- Thickness: 1.52 mm
- Diameter: 22.05 mm
- Fineness: 22 carat = 916⅔ / 1000 (± 2/1000)
- Gold Content: 7.322381 g = 0.235420 (exactly: 1320/5607) troy ounces or 113.0016 grains (original definition; actual gold content may differ due to allowed tolerances and abrasion, see Reminting worn coins below.)
Read more about this topic: Sovereign (British Coin)
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