Beaker with Relief-cut Decoration 9th-10th century In its size, state of preservation, and fineness of execution, this piece has few parallels in Islamic relief-cut glass. The decoration consists of a band of palmettes, half-palmettes, and floral motifs on two scrolls between two horizontal ridges. Early Islamic carved rock-crystal vessels reputedly produced in Egypt demonstrate a close similarity in technique and design.. Beaker with Relief-cut Decoration. 9th-10th century. Glass, colorless; blown, cut. Attributed to Iran. Glass