Platinum Concord medallion. Obverse The obverse shows Concorde flying over the White House in Washington D.C., with the inscription. TO COMMEMORATE THE FIRST SCHEDULED PASSENGER SERVICE. 1976 CONCORDE LONDON - WASHINGTON 3 hrs 52 mins 24 MAY Reverse The reverse shows the American eagle taking off clutching laurel wreaths, with two flags in the background. There is no inscription except for the date 1976