The 1906 San Francisco mint 1 Peso enjoys the status as "King of Philippine coins" not because of its mintage, but because of the history behind it. There were more than 200 thousand of this coin produced dated 1906 aside from the proof coin minted by the Philadelphia mint. But because of the scarcity of silver and its importance to the economy of mainland United States, its former colony, the Philippines undergone several transition including the reduction of size of the United States colonial coins as well as its alloy. From the standard of 1 ounce, the Philippines adopted 3/4 of an ounce for the equivalent of peso in silver unit.1 Peso,...