| Show coining of yankee dollars it was in 1792 that the congress ot of the united states authorized the establishment of a mint in philadelphia with the founding of this institution the almighty dollar began to come into its own the spanish dollar had been common in america for years and when governor morris attempted to harmonize all the moneys of the states he tool took the dollar as a standard the plans of morris were later amended by jefferson who proposed to strike four coins upon the basis of the spanish milled dollar a gold cold piece of the value of 10 a dollar in sliver silver a tenth of a dollar in silver and a hundredth of a dollar in copper |