cachets are the first cachet produced by a particular
organization or cachet maker. 1st cachets can cost a substantial
premium over the normal price for a particular cachet maker.)
This is a First Clyde Bowman
Cachet of the 1978 Martin Luther King, Jr. Black Heritage Issue. This is
a combination cover with stamps for Paul Dunbar, Harriet Tubman, George
Washington Carver, W.C. Handy, and Frederick Douglass.