As of April 2015, travelers without a KTN/PASS ID/DoD ID number, including those who previously opted in through a frequent flyer program, will notice a reduction in the number of times they are chosen by the TSA for TSA Pre â .articipants in CBP's Global Entry, NEXUS or SENTRI program should visit the Global Online Enrollment System (GOES) website to obtain their PASSID, which is their KTN, or check the back of their card on the upper left side. An example PASS ID is shown below.
Actually there are 4 mints. Circulation coins are made in Denver (D mint mark) or Philadelphia (P or no mint mark, depending on the coin's date and denomination) Proof coins are made in San Francisco - S. Commemoratives are made in West Point - W.
My quarter rocks. 1964 was the last year for coins minted entirely of .999 silver, however, some coins were still minted with ,90 silver up until I think 1982 or so. If you can find a 1982 dime with no mint mark it is worth about $350 in any condition. That was the year that somewhere between 30,000 and 300,000 coins were minted at the S.F. Mint but the die for the mint mark wore off. Making the coins valuable for having this flaw.