This 2007 diamond wedding anniversary 1 dollar coin cover is a Kiribati first day cover. It commemorates the diamond wedding anniversary of HM Queen Elizabeth II and hosts a Cook Island brilliant uncirculated 1 dollar coin and a Kiribati 75c cents stamp. The coin features a portrait of Her Majesty and HRH Prince Philip on their wedding day. Cancelled postmark First Day of Issue Kiribati 31st January 2007.