Yours affectionately
Very affectionately yours
Yours lovingly
Lovingly yours.
The position of "yours" may be at the beginning or at the end, but it must never be abbreviated or omitted.
If a touch of formal courtesy is desired, the forms "I am" or "I remain" may be used before the complimentary closing. These words keep the same margin as the paragraph indenting. But in business letters they are not used.
6. The Signature
The signature is written below the complimentary close and a little to the right, so that it ends about at the right-hand margin. In signing a social letter a married woman signs herself as "Evelyn Rundell," not "Mrs. James Rundell" nor "Mrs. Evelyn Rundell." The form "Mrs. James Rundell" is used in business letters when the recipient might be in doubt as to whether to address her as "Mrs." or "Miss." Thus a married woman would sign such a business letter:
Yours very truly,
Evelyn Rundell