Queen Victoria Diamond Jubilee Medal stripes towards each edge. Holders of the 1887 medal who qualified were awarded a bar inscribed '1897' and surmounted by a crown, to be attached to the ribbon of the existing medal. The medal for mayors and provosts is a lozenge, , bearing a trefoil pattern, with a circular centre that depicts the portrait of the older Queen on the obverse, with the young Queen on the reverse. The ribbon follows that of the standard medal, with the colours reversed. Queen Victoria Diamond Jubilee Medal The Diamond Jubilee Medal was instituted in 1897 by Royal Warrant as a British decoration.
Golden jubilee Golden jubilee A golden jubilee is a celebration held to mark a 50th anniversary. "The golden jubilee" is a royal ceremony to celebrate the 50th anniversary of the accession of the king. The Thai word is "kanchanaphisek" (กาญจนาภิเษก). The first Golden Jubilee of Thailand was the celebration of King Bhumibol Adulyadej. King Rama IX celebrated his golden jubilee on 9 June 1996, having acceded to the throne in 1946. He was Thailand's longest-reigning monarch. The 545.65 carat Golden Jubilee Diamond was purchased by Thai businessmen as a gift for the king on the 50th anniversary of his coronation. The diamond