Sixth International Philatelic Exposition, Washington, D.C., 1966 Medal. Bronze. 58 X 51mm. Obverse: Exposition logo - Columbia with date 1966 on stamp over globe; legend around, SIXTH INTERNATIONAL PHILATELIC EXPOSITION WASHINGTON, D.C. Reverse: View looking down the Mall in Washington, D.C. of the Lincoln Memorial, Washington Monument and Capitol building. Condition: Some mottling, marks; FINE.