Regalia

Items of garb that (generally) belong to the a royal household - for example:

crowns/coronet

cloaks

thrones

septre

orb

There might also be a banner or rings that go along with it. These are generally handed down from personage to personage as the 'office' passes hands. Another form of regalia is peerage regalia - e.g. a Knight:

spurs

fealty chain

white belt

cloak