Talish Caucasian, knotted circa in 1880, antique, collector's item, 246 x 100 (cm) 8' 1" x 3' 3" Carpet id: K-4411
The black knots are oxidized, the warp threads are cotton the weft threads are wool, the edges and the center are repaired, indigo background, ivory border, soft as an handkerchief and high standard quality.
a similar example was published in the catalog of Caucasian Rugs, by Ulrich Schurmann on page 29.