In the SCA there is a difference, but I don't know if that is based on usage by real peers. I tried looking this up at the FAQ page for alt.talk.royalty, but I couldn't find anything definitive.
I'm working on Boy from the Sea today, which is why I'm asking.
Friends: I haven't been reading my journal much for the last couple of days; I'm still too tired from the ESWL to want to sit at the computer much. I apologize if I've missed out on anything important in your lives--I do care, and I hope you're all doing well.