Antique Shirvan Prayer rug with multi-color motives on white background field. The historic Khanate or administrative district of Shirvan produced many highly decorative antique rugs that have a formality and stylistic complexity that is found in few rugs from the Caucasus. The depth of colors, the complexity of the composition and the phenomenal patterns featured in antique Shirvan rugs set them apart from those produced in other regions of the Caucasus.