Pennyweight Act of 1878; only the Troy ounce and its decimal subdivisions remained official. The Troy ounce enjoys a specific legal exemption from metrication in the UK. The pennyweight is the common weight used in the valuation and measurement of precious metals. Jewellers use the pennyweight in calculating the amount and cost of precious metals used in fabricating or casting jewellery. Similarly, dentists and dental labs still use the pennyweight as the measure of precious metals in dental crowns and inlays. Pennyweight and grains are still used to weigh gooseberries in competitions in Cheshire, northwest UK. Over the Pennines in Yorkshire
Taxation of precious metals Taxation of precious metals Precious metals are subject to taxation in most countries, because of their high economic value. In most countries capital gains tax applies when precious metals are sold at a profit. Some countries also apply value added tax to precious metals. In the European Union, the trading of recognised gold coins and bullion products is VAT exempt, but no such allowance is given to silver. Elsewhere in Europe though, Norway has exempted both gold and silver bullion coins with face value from VAT; Norway is part of the wider EEA (European Economic Area) and thus applies the