One: Konagkend kuba, East Caucasian, circa late 19th century 4 ft. 1 in. x 3 ft. 6 in. One: Southwest Caucasian double niche prayer rug, late 19th century 4 ft. 3 in. x 3 ft. 6 in. One: Gendje prayer rug, Southwest Caucasus, circa 1900 5 ft. 4 in. x 3 ft. 1 in. (3).