Florida Congressmen 1960's

This vintage 'Anniversary of the Bill of Rights' first day cover, canceled on July 1, 1966 is hand signed by the following 12 Congressmen from Florida representing every member of congress in this given year: R.L.T. Fikes, Bill Cramer, C.E. Bennett, A.S. Herlong, J.A. Haley, Billy Matthews, D.B. Fascell, P.D. Rogers, Don Fugwa, S.M. Gibbons, Ed Gurney and Claude D. Pepper.