A long time ago in a galaxy far away...
The optimal way to determine when the US Mint will mint a specific coin is to refer to their web-site: USMINT.gov.
The Philadelphia mint released 564,341,347 in circulation. The Denver mint released 704,135,528.
platt amendment
The writers of the US Constitution put into practice the idea of separation of powers through a system of checks and balances.
Please look at the coin again and post new question. The U.S. Mint did not produce a 1973 U.S. Constitution Silver dollar.
The constitution
US Mint Philadelphia, PA US Mint West Point, NY US Mint Denver, CO US Mint San Francisco, CA
Congress does. the constitution grants the power for it to do so.
You have to send a letter to the president and ask him and/or tell him what amendment to put in (amendment mean changes to the constitution)
Philadelphia, Pennsylvania. Philadelphia is the only US mint to not put a letter mintmark on the coins made there. [ The mint at West Point has , at times, struck coins for the Philadelphia mint with no mintmark]
they put it in a very durable case
In Article 1 Section 8 it states that Congress shall have the power "To coin Money, regulate the Value thereof, and of foreign Coin, and fix the Standard of Weights and Measures;" The US Mint was created by The Coinage Act, passed in 1792.