I seldom see any of the four variations talked about in the first post. All 4 of those variants are proper. Just one could argue that they are more correct than "Sincerely yours". Any of these could be a refreshing transform from reading through Yet one more American kind letter. https://fernandodbulq.rimmablog.com/37069790/the-smart-trick-of-corporate-lawyer-in-pakistan-that-nobody-is-discussing