Dollar silver. The US Mint continues to make silver $1-denomination coins, but these are not intended for general circulation. The quantity of silver chosen in 1792 to correspond to one dollar, namely, 371.25 grains of pure silver, is very close to the geometric mean of one troy pound and one pennyweight. In what follows, "dollar" will be used as a unit of mass. A troy pound being 5760 grains and a pennyweight being 240 times smaller, or 24 grains, the geometric mean is, to the nearest hundredth, 371.81 grains. This means that the ratio of a pound to a dollar (15.52)
Sélection de Grains Nobles Sélection de Grains Nobles Sélection de Grains Nobles (SGN) is French for "selection of noble berries" and refers to wines made from grapes affected by noble rot. SGN wines are sweet dessert wines with rich, concentrated flavours. Alsace wines were the first to be described as "Sélection de Grains Nobles", with the legal definition introduced in 1984, but the term is also seen in some other wine regions France, such as Loire. For Alsace wines, SGN is the highest official category for late harvest wines, while the step below is called "Vendange tardive". In 2001, the minimum must weight requirements