Chajli Caucasian knotted circa in 1870 antique, collector's item, 177 x 113 (cm) 5' 10" x 3' 8" carpet id: K-4028
The black knots are oxidized, the knots are hand spun wool, the warp and the weft threads are wool, part of the background is used, rare example.
a similar example was published in the catalog of "Orientteppiche" by Doris Eder on page 223, plate 209.