One of a group of samples of rare and other metals in a pure state - zinc

Zinc die open-line plate on a wood base block, one of eleven printing blocks marked for Geography Magazine of 1924

Zinc die open-line plate on a wood base block, one of eleven printing blocks marked for Geography Magazine of 1924

Zinc die open-line plate on a wood base block, one of eleven printing blocks marked for Geography Magazine of 1924

Zinc die open-line plate on a wood base block, one of eleven printing blocks marked for Geography Magazine of 1924

Zinc die open-line plate on a wood base block, one of eleven printing blocks marked for Geography Magazine of 1924

Zinc die open-line plate on a wood base block, one of eleven printing blocks marked for Geography Magazine of 1924

Metal plaque, rectangular, with the depiction of a scene from Jami's romance 'Yusuf and Zulaikha', and with a floral border top and bottom: West Asia, Iran, Qajar period, 1868 - 1888

Metal plaque, rectangular, with the depiction of a scene from Farid al-Din Attar's poem 'Shaikh San'an and the Christian Maiden', and with a floral border top and bottom: West Asia, Iran, Qajar period, 1868 - 1888

Metal plaque, rectangular, with the depiction of a dignitary, a cartouche identifying him as Yusuf, and with two servants, with a floral border top and bottom: West Asia, Iran, Qajar period, 1868 - 1888

Metal plaque, rectangular, with the depiction of Siamak, son of the first Iranian king Kiumars, and with an inscription at the top and floral border at the bottom: West Asia, Iran, Qajar period, 1868 - 1888

Metal plaque, rectangular, with the depiction of the Iranian king Iraj, 7th ruler of the Pishdadian dynasty, and his brothers Salm and Tur, and with an inscription at the top and floral border at the bottom: West Asia, Iran, Qajar period, 1868 - 1888

Metal plaque, rectangular, with the depiction of the Iranian king Nowzar, 9th ruler of the Pishdadian dynasty, with an inscription at the top and floral border at the bottom: West Asia, Iran, Qajar period, 1868 - 1888

Metal plaque, rectangular, with the depiction of the Iranian king Manuchehr, 8th ruler of the Pishdadian dynasty, with an inscription at the top and floral border at the bottom: West Asia, Iran, Qajar period, 1868 - 1888

Metal plaque, rectangular, with the depiction of the first Iranian king Kiumars, with an inscription at the top and floral border at the bottom: West Asia, Iran, Qajar period, 1868 - 1888

Metal plaque, rectangular, with the depiction of Shah Afrasiab, the ruler of Turan, with an inscription at the top and floral border at the bottom: West Asia, Iran, Qajar period, 1868 - 1888