I could think of many times such a party contract would of come in handy.
Rome. It was defined by its Glories and its Horrors. What were its military’s ranks.
I am always looking for rank structures to use in games. It is my hope that you will share some of your historical knowledge or ranks and/or reveal to us the hierarchy of ranks in the games that you play.
Golden tablets with the seal of the ruler that issued the pass and the seal and name of who it was issued to. About the size of your palm of solid intricately etched gold. The holder of the tablet is backed by the authority of the king to make any required purchases on credit or enter any place they deem necessary. A very powerful token indeed.
Swords form a bond to their wielder. A symbol on the grip that is absorbed through the user's hand and appears on the back of the hand. Maybe only visible to them or others that have the abilities. Could give unique powers depending on when it happened and what they did to get it. It takes a specially made sword that only few can receive and made by a certain race. Then they must do something really heroic to unleash the swords power. Once unleashed it is theirs till they die then the sword goes dormant again till another accomplishes another feat.