Commemorative First Day Cover Stamp for The Royal Wedding of Princess Diana and Charles. Comes in a folded case and a brief description of the history of royal weddings and some of Diana's royal lineage up to details of this couple's special day. Done by Calhoun's Collectors Society Inc., not only in a decorated cover, but there is also a delft blue cameo, HRH. The Prince of Wales Lady Diana Spencer. St Paul's Cathedral 29th July 1981.