A messenger or ambassador from the Roman Catholic Pope is called a nuncio. Nuncio comes from the Latin word for messenger. A nuncio may represent the Pope in foreign countries.
Papal emissary
A papal decree is called a Papal Bull.
The Papal Crown or Papal Triple Tiara
Vicariate
(Papal) bull.
I think you have to get it from an emissary
Generally referred to as a Papal Bull
It is no longer called the Papal Court nor does it govern the Church. Since 1968 it has been called the Papal Household or Pontifical Household and consists of dignitaries who assist the Pope in carrying out particular ceremonies of either a religious or a civil character.
It is called the Papal Tiara or Papal Crown, sometimes called the Triple Tiara or Triple Crown.
Relic of an Emissary was created in 2011.
The Papal States.
The pope's crown is called the papal tiara. There is a link below to an article on it.