A GROUP OF FOUR TURQUOISE-GLAZED POTTERY VESSELS Possibly Kashan, Iran, 12th - 13th century  All of different shapes and sizes, comprising a large dish with flattened rim, 33cm diam.; a small dish with incised rim, '157' inventory number in Persian script on the base, 18.3cm diam.; a conical bowl, '22' inventory number in Persian script on the exterior, 15.5cm diam.; and a small bowl, '575' inventory number in Persian script on the exterior; 9cm diam. Provenance: Bonham's Edinburgh, 5 December 2017, lot 135.