your magazine; your journal; your paper
Honorific term used in formal correspondence to refer to the recipient's publication. 貴誌 is typical for magazines/journals, while 貴紙 can be used for newspapers or papers.
I have read the latest issue of your magazine.
I referred to an article in your paper.
御社 is a more common honorific for 'your company' in spoken business Japanese, whereas 貴誌 is a written formal term for a publication.
Standard kanji spelling for 'your magazine/journal'.
Alternate kanji spelling, also used for 'your newspaper/paper'.
Compound of 貴 (ki, 'honorable') + 誌 (shi, 'magazine/journal') or 紙 (shi, 'paper'). A Sino-Japanese honorific prefix construction used in formal written language.