« Previous Bicentennial of Congress View Full Size All Images Bicentennial of Congress, United States Senate Cachet Artmaster Tags ArtmasterCachets FederalGovernment OfficialFirstDay TwoColors UnitedStates Dates & Locations April 6, 1989 Washington, DC, US Related Covers Vertically Printed Coil Stamp Olympic Baseball Princesse Grace Kelly FDC from Monaco Artmaster Variable Rate Coil Malcom X Artmaster FDC Cabrillo honored in San Diego
