Apothecaries' system countries. The weight of an apothecaries' pound was 345.1 g in Spain and 344.2 g in Portugal. As in Italy, some of the additional subdivisions of the Roman system, such as the "obolo", were still in use there. It was standard to use the "marco", defined as 8 ounces, instead of the pound. In 18th century France, there was a national weight standard, the "marc de Paris" of 8 ounces. The civil pound of 16 ounces was equivalent to 2 marks, and it was also used as the apothecaries' pound. With 30.6 g, the ounces were considerably heavier than other
Anglo-Saxon pound troy pound of 367.5 g. This pound of 12 ounces was in use in Troyes (Champagne fairs) where the mark of 8 ounces (also the Paris mark) weighed 245 g. The medieval troy pound weighed 240 pennyweights of 1.53 g or 24 medieval troy grains ( of the new pound and heavier than the real barleycorn). The Tower pound remained in use for weighing gold and silver until 1527. Anglo-Saxon pound The pound was a unit of account in Anglo-Saxon England, equal to 240 silver pennies and equivalent to one pound weight of silver. According to the Daily Telegraph it