From Fallen London Wiki
This would tempt a judge. Even an honest one. This is mainly used for creating advanced items - such as buying a Respectable Landau.
If you are a Person of Some Importance, you can create this in the Bazaar Sidestreets.
See here for a list of how to obtain this item, or click to show them.
It can be sold at the Bazaar:
See here for a list of pages which require this item, or click to show them.
See Contraband Grinding (Guide) for information on grinding this item.