I almost never see any from the 4 variations pointed out in the original article. All 4 of those variations are correct. A single could argue that they're extra proper than "Sincerely yours". Any of them could well be a refreshing improve from looking at yet another American variety letter. https://high-definition-iptv07172.topbloghub.com/42710005/the-best-side-of-iptv-for-expats-in-thailand