Yours sincerely, because it is theirs not their :)
In "Sincerely yours," you should capitalize only the first letter of each word (Sincerely Yours).
An ending (complementary close) for a formal letter might include : Yours, Yours truly, Yours sincerely, Sincerely, Sincerely yours, Thank you
An ending (complementary close) for a formal letter might include : Yours, Yours truly, Yours sincerely, Sincerely, Sincerely yours, Thank you
The most common equivalent for the closing sincerely yours is yours truly.
'Sincerely yours, [insert name here]'
Very Sincerely Yours, Yours Very Sincerely
The comma goes after "sincerely" in "Sincerely, yours" - as it separates the closing and the introductory phrases in a formal letter or email sign-off.
Sincerely Yours - Luv' album - was created in 1990.
Yours Sincerely - album - was created on 2010-04-14.
The duration of Sincerely Yours in Cold Blood is 2700.0 seconds.
No, in the phrase "Sincerely yours," "yours" is not capitalized unless it is the first word of a sentence.