Grain (unit) weight) refers to those things measured by the lesser but quicker balances: the bismar or uncel, the Roman balance, and the steelyard. The original mercantile pound of 25 shillings or 15 (tower) ounces was displaced by variously the pound of the Hanseatic League (16 tower ounces) and by the pound of the then-important wool trade (16 ounces of 437 grains). A new pound of grains was inadvertently created as 16 troy ounces, referring to the new troy rather than the old troy. Eventually, the wool pound won out. The avoirdupois pound was defined in prototype, rated as to grains. In
History of pound sterling in Oceania Papua New Guinea also used the Australian pound, while territories under New Zealand jurisdiction, such as Western Samoa and the Cook Islands, as well as the Pitcairn Islands used the New Zealand pound. Hence there were now a total of three different pound units in use in the Australasian and Pacific region, none of them being equal to the pound sterling. There was the Australian pound, the Fijian pound, and the New Zealand pound. However, the New Zealand pound, as stated above, did return to parity with the pound sterling in 1948. History of pound sterling in Oceania The pound