[http://www.goldsovereigns.co.uk/technicalspecs.html]
Modern Sovereigns
For all modern gold sovereigns, i.e. from 1817
Diameter: 22.05 mm.
Thickness (Depth) 1.0 to 1.4 mms.
Weight: 7.9881 grams (to 4 decimal places).
Standard weight (target) 7.98805 grams
Tolerance +- 0.01296 grams
Minimum 7.97509 grams
Maximum 8.00101 grams
Alloy: 22 carat gold = 0.917 parts per 1000.
Actual gold content assuming 7.9881 grams gross = 7.3224 grams or 0.235421 troy ounces.
Actual gold content assuming 7.98805 grams gross = 7.32238 grams or 0.235420 troy ounces.
Date first issued in current format: 1817
First date ever issued: 1489
bullion value @ say USD/1600/oz = 0.235421 * 1600 = USD/376
cash = 2,500 * 376 = USD/942,000
