Mírzá Ḥusayn-i-Isfahání (surnamed Mis͟hkín-Qalam (مشكین قلم) meaning "jet-black pen"; 1826 – 1912) was a prominent Baháʼí and one of the nineteen Apostles of Baháʼu'lláh, as well as a famous calligrapher of 19th-century Persia.
[1] Mishkín-Qalam was sent by Baháʼu'lláh to Constantinople (Istanbul), where he began attracting people through his art and vigorously teaching the Baháʼí Faith.
He made his way to ʻAkká in 1886, and remained there until Baháʼu'lláh died in 1892, after which he travelled to Egypt, Damascus and India.
Mishkín-Qalam enjoyed a special position among the court ministers of Tihrán, and he became widely known for being adept at every calligraphic style.
When E.G. Browne was in Persia, he was told that Mishkín-Qalam's works When visiting Baháʼu'lláh in Adrianople, he would often write out the phrase Yá Baháʼu'l-Abhá (O Glory of the All-Glorious) in many different forms, some taking the form of a bird, and send them everywhere.