The following abbreviations in Sweden are used as pre-nominal letters (rather than post-nominal letters) after the professional title in definite form, followed by a comma, and before the full name:
RoKavKMO/LoKavKMO - Knight/Member (of the cloth) and Commander of His Majesty's Orders (=Knight/Member (of the cloth) of the Order of Seraphim and Commander Grand Cross or Commander 1st Class of one of the orders Sword, Polar Star or Vasa, i.e. Swedish citizens)
RSerafO/LSerafO - Knight/Member (of the cloth) of the Royal Order of the Seraphim (=have only received the Order of the Seraphim, i.e. foreign heads of state)