In most places, a prince is best addressed as 'Your Highness.' There may be more region specific titles as well.
"My Lord" or "Your Lordship" are both acceptable.
Doctor.
The proper salutation for a coroner is typically "Dr." if they hold a medical degree, or "Mr./Ms." followed by their last name if they do not. In formal correspondence, it's respectful to address them as "Coroner [Last Name]." If the specific title or preferred form of address is known, it should be used to ensure proper respect and professionalism.
I believe the correct address is 'Your Worship'.
Lahore
The proper form of address for honorary consuls is typically "Consul [Last Name]" or simply "Mr./Ms. [Last Name]." In formal correspondence, you may also refer to them as "Honorary Consul." It is important to recognize that honorary consuls do not have the same diplomatic status as career consuls, but they still hold a position of respect and should be addressed accordingly.
prince is a comman noun unless it is a specfic prince then it's proper.
For American Consul Generals, the proper form for the addressee is The Honorable First Name Last Name. The proper salutation, however, is Dear Mr. (or Ms. or Mrs.) Last Name.
As Lt. Governor.
It is a title or form of address used to a French speaking Prince, Cardinal, Bishop or Archbishop
Ms. and then your last name.
Honorable __________ (Insert Supervisor's Name here)