A KASHAN TURQUOISE GLAZED SILHOUETTE WARE JUG with shouldered globular body, vertical short mouth and simple loop handle on short foot, the shoulder incised through the black slip under the glaze with a band of roundels with lozenge centres, the neck with a band of vertical panels, the lower body with a similar band of bolder radiating panels, early 13th century (intact, firing fault, silvery iridescence) 5¾in. (15cm.) high