Daniel Frank Sedwick

• Great Transition at the Potosí Mint 1649 - 1653
• Great Transition at the Potosí Mint, 1649-1653 - the 1649-1652 Crowned Shield Coinage and the Countermarks Of 1652 : Part a
• Great Transition at the Potosí Mint, 1649-1653 - the 1649-1652 Crowned Shield Coinage and the Countermarks Of 1652 : Part B