Troy weight them Holland troy, Paris troy, etc. Their values varied from one another by up to several percentage points. Troy weights were first used in England in the 15th century, and were made official for gold and silver in 1527. The British Imperial system of weights and measures (also known as Imperial units) was established in 1824, prior to which the troy weight system was a subset of pre-Imperial English units. The troy ounce in use today is essentially the same as the British Imperial troy ounce (1824–1971), adopted as an official weight standard for United States coinage by Act of
Taxation of precious metals same "intra-community transaction" rules to all of Europe on a bilateral basis resulting in legally tax-free silver coin availability throughout all of Europe. Precious metals are subject to tax as collectibles, with any profit being taxed at the collectibles capital gains rate. This is normally the standard income tax rate, with metal held over 1 year is subject to a maximum of 28%. Note that many people unfamiliar with the collectibles tax rates (including some well-known websites) incorrectly think that precious metals are taxed at a flat 28% (because they interpret the word "maximum" in "maximum 28% rate"). Taxation of