A bill to require the Secretary of the Treasury to mint and issue coins in commemoration of the 100th anniversary of the statehood of Idaho, North Dakota, South Dakota, Washington, and Wyoming, and for other purposes.

Title I: Statehood Centennial Coin - Statehood Centennial Commemorative Coin Act of 1989 - Directs the Secretary of the Treasury to mint and issue up to a specified maximum number of one-dollar silver coins and five-dollar palladium coins in commemoration of the 100th anniversary of the statehood of Idaho, Montana, North Dakota, South Dakota, Washington, and Wyoming.

Sets forth certain features of such coins and provides for their design, issuance, and sale.

Requires the Secretary to obtain palladium for the five-dollar coins by purchase of palladium mined and refined in the United States.

Requires the Secretary to obtain silver for the one-dollar coins only from stockpiles established under the Strategic and Critical Materials Stock Piling Act.

Requires the Secretary to provide a specified amount of all surcharges to the Documents West exhibition program with the remaining amount of surcharges to be deposited in the Treasury for use in reducing the national debt.

Grants the Comptroller General the right to examine records and other data of the Idaho Centennial Commission.

Title II: Silver Proof Sets - Silver Coin Proof Set Act - Authorizes the Secretary to mint and issue silver coin proof sets. Sets forth specified features of such coins and provides for their sale to the public.

Requires the Secretary to obtain silver for such coins by purchase from stockpiles established under the Strategic and Critical Materials Stock Piling Act and from Treasury stocks on hand.