. "The design is a debased form of Group 1 sub-group 2 as defined by Jennifer Wearden in 'Azerbaijanian Embroideries: A Synthesis of Contrasts' in Hali Issue 59, October 1991 pp. 102-111 characterized by a central medallion but by cartouches; these are usually worked in cross stitch so technically this cover belongs to the surface darning group of the early to mid-18th century"@en . . "The design is a debased form of Group 1 sub-group 2 as defined by Jennifer Wearden in 'Azerbaijanian Embroideries: A Synthesis of Contrasts' in Hali Issue 59, October 1991 pp. 102-111 characterized by a central medallion but by cartouches; these are usually worked in cross stitch so technically this cover belongs to the surface darning group of the early to mid-18th century"@en . .