SEIGNIORAGE n.
or taken by virtue of sovereign prerogative; specifically, a charge or toll deducted from bullion brought to a mint to be coined; the difference between the cost of a mass of bullion and the value as money of the pieces coined from it. If government, however, throws the expense of coinage, as is reasonable, upon the ho…
TREASURE-TROVE n.
Any money, bullion, or the like, found in the earth, or otherwise hidden, the owner of which is not known. In England such treasure belongs to the crown; whereas similar treasure found in the sea, or upon the surface of the land, belongs to the finder if no owner appears.