I would just politely ask them to not invite them selves to my area. Give them an idea where they can purchase a porch swing if they want one. Also tell them you appreciate your early ME time and don't wish to share it with any one.
For myself, a treasure like that would never have been loaned out, friend or not. She may not even be able to find one close to that. Yes, she should replace it. But keep the dish as a memory. I would question my friendship. Might have to make a change. How devastating to have that damaged and...
Doesn't make a difference. Generally Medicare takes a jump and so does your health policy. If lucky might gain 2/3 $ extra. In some cases more hinderance than good.