Vintage Letter Policy Federal Civil Service 1958 Clifford Bingham. This is a letter from 1958 to the employees of the federal civil service regarding a policy change. It is a total of six pages long and signed by Clifford Bingham. There is a bit of damage around the edges, including some stains and very small tears. it also has been folded in half for a very long time and will be shipped that way. Please see the pictures for the full description.