Antique Islamic Fatimid Sgraffito Vessel Fatimid Caliphate Egypt 10th-12th C

This is a rare antique earthenware jar/vessel from the Fatimid Caliphate period in Egypt, dating back to the 10th-12th century AD (288 - 494 AH). The jar has a bulbous body with a flaring neck, which is incised with a series of vertical lines and a zig-zag pattern. The shoulder is decorated with incised bands of floral and palmette scrollwork motifs, which is typical of the Fatimid style, and rests on a short foot. The jar is covered in a green lead glaze that pools and drips down the walls.
References: A jar of a comparable form with a very similar carved design is published in the book "Ceramics from Islamic Lands: The al-Sabah Collection" (London, 2004) on pages 284-285.
Measurements:
Height: 20 cm (7.87 inches)
Diameter: 16 cm (6.3 inches)
Condition: The neck rim has chips, wear, and glaze flakes.
Accompanied by a certificate of authenticity.