Lot 93 Kuba Rug, Northeast Caucasus, last quarter 19th century, (black oxidation), 5 ft. 8 in. x 4 ft. Estimate $3,500-4,500 Fine Oriental Rugs & Carpets - Sale 2522B - Lot 93 Skinner Auctioneers & Appraisers of Antiques & Fine Art