CCMA is an acronym for The Commission of Conciliation Mediation and Arbitration. The CCMA is an independent body, set up by legislation, which resolves labour disputes by way of conciliation or arbitration. Submitted by Cassandra Andreou, a candidate attorney at Routledge Modise.
1964 was the last year the U.S. stopped minting coins in solid silver. However, there was a series of coins that were sandwiched in silver and maybe an expert coin collector will come on here and cover all those coins and different years they were stamped.
Until 1837 the percentage of silver was 89.24% for silver dollars, halves, quarters, dimes, and half dimes. From 1837 through 1964 the silver percentage was 90%. From 1965 through 1970 half dollars and silver (Eisenhower) dollars were made with a core of 21% silver, clad with an outer layer made from 80% silver.