Bowl Inscribed with Sayings of the Prophet Muhammad and 'Ali ibn Abi Talib

Era: Samanids Dynasty, Persia.
Date: AH 204-395 / AD 819-1005 - (10th century)
Creation Place: Samarkand, in Modern Uzbekistan
Size: 9.6 x 26.9 cm (3 3/4 x 10 9/16 in.)
Kept in  Harvard Art Museums/Arthur M. Sackler Museum, USA.
Source: [1]

This reddish earthenware is covered in white slip and painted with black (manganese and iron) and red (iron) under clear lead glaze. It is kept in Harvard Art Museum.