Unit Definition (denaro [Italy]) The denaro is a traditional Italian weight unit equal to 24 grani; its size varied from about 1.1 grams to 1.25 grams.
Unit Definition (ons [Dutch]) The ons is a Dutch unit of weight or mass, now used as a metric unit equal to the hectogram (100 grams, or about 3.5274 ounces).
Weight/Mass 
