Red 3' 10" X 5' 4" Persian Isfahan Signed Wool & Silk Hand Knotted Rug - SA2753Isfahan rugs date back to the seventeenth century. Isfahan was then the capital of Persia. These rugs are known to be classic and are hand knotted with either silk or wool foundations. They use variety vegetable dye colors such as reds, blues, ivory, beige, black and much more. Isfahan rugs are one of the highest quality rugs in the world. This is a genuine hand knotted cut pile rug, not tufted, hooked, or machine made. All we do is hand knotted.