noun
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.
貴誌の最新号を拝読いたしました。
I have read the latest issue of your magazine.
貴紙の記事を参考にさせていただきました。
I referred to an article in your 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.