Apothecaries' system the Roman weight system. An apothecaries' pound normally consisted of 12 ounces. (In France this was changed to 16 ounces, and in Spain the customary unit was the "marco", a mark of 8 ounces.) In the south of Europe and in France, the scruple was generally divided into 24 grains, so that one ounce consisted of 576 grains. Nevertheless, the subdivision of an ounce was somewhat more uniform than that of a pound, and a common feature of all variants is that 12 ounces are roughly 100 drachms (96–128 drachms) and a grain is roughly the weight of a physical
New Jersey pound to 4 shillings 6 pence sterling. This made a colonial schilling equivalent to nine pence sterling and a colonial pound equivalent to 2 troy oz 18 dwt 8 gr (1,400 grains / 90.7 grams) of silver. Currency issued at this rate was referred to as “Proclamation Money”. The currency of colonial New Jersey consisted of bills of credit which circulated as legal tender. Each issue was inscribed with the weight of silver it was current for. The initial 1709 issue passed at the rate of 2½ ounces of silver per New Jersey Pound, but issues after 1724 had inscriptions with