noun
your esteemed letter; your highly regarded writing
A formal, honorific term used to refer respectfully to someone's letter or writing. Common in traditional correspondence.
先日は芳書を賜り、誠にありがとうございます。
Thank you very much for your esteemed letter the other day.
芳書を拝読し、深く感銘を受けました。
I read your highly regarded writing and was deeply impressed.