Imperial and US customary measurement systems the Troy units of weight—the troy ounce used to this day for weighting precious metals. Edward I (1272–1307) broke the link between a coin's value and its weight when he debased the English coinage by introducing a groat (four pence) which weighed of 89 grains rather than the expected 96 grains. The groat was further devalued in the 1350s when its weight was reduced to 72 grains. During Saxon times land was measured both in terms of its economic value and in terms of its size. The Domesday Book used the hide, an economic unit of measure. In other references
Precious (Boukenger) Bishamon Coast that can only be accessible once every 20 years when the tide is low enough. The Questers obtained it without trouble for their master plan: The creation of the Homunculus. After the Questers were killed, the Mercurius Vessel was placed in S.G.S. custody. The is the Precious on which the caduceus symbol is based on. The Questers used Gajya to obtain the staff from Kurosagi Forest. It can shoot powerful lighting. When put into the Mercurius Vessel, the staff took the shape of the Homunculus' skeleton. The is a Precious found inside a volcano's crater on Genbu Mountain,