Each kind of money, as the cent, nickel, dime, has its own peculiar demand and its saturation point.
MONETARY SYSTEM OF THE UNITED STATES, 1915 Metals | Weight, grains | Fineness |Ratio to gold 1.

Gold coins | 25.8 | .90 | 100 2.

Silver dollar | 412.5 | .90 | 15.988 to 1 3.

Silver, subsidiary | 385.8 | .90 | 14.953 to 1 4.

Nickel (5 cents) | 77.0 | .25 | ...........
5.