Very large and rare ceramic wall tile from Iran around 1850

Very large and rare ceramic wall tile from Iran; Islam; hand-painted decoration in colorless underglaze polychromy on a cobalt blue background; Signed "BAHRAM"; around 1850; figurative representation of the great king Bahram Gor (Bahrām V.) from the house of the Sasanids; Turkmen tribe of the Qâjâr - Qajar dynasty (قاجاریان, Qāǧārīyān, Qāǧār, Qajar); broken and glued on the upper right side (see photos); traces according to age and use; measurements: approx. 35,5 x 51,5 cm (3 – 3,5 cm thick)