At the bottom of the letter (Under: Your Sincrely), type the name of the person who should have signed the letter.
Then, before the name of the person write: pp Then you can place your signature.
This entry from Collins Cobuild English Language Dictionary might be useful for you:Looking forward to hearing from you,
..... Philip Morgan
(Write pp on the dotted lines)
pp is written before a person's name at the bottom of a formal or business letter in order to indicate that they have signed the letter on behalf of the person whose name appears before theirs.
...J.R. Adams, pp D. Philips.
pp. is the plural of `p.' and means `pages'. (WRITTEN)
See chapter 6, pp. 137-41.
In a piece of music, pp is a written abbreviation for pianissimo.
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