12×18 Rug, Persian Rug, Antique Persian Mashad Rug. A stunning hand knotted Antique Persian Mashad rug, the navy-blue medallion is surrounded by unique flowers on a beautiful red color field and navy-blue border, this rug is one of the most beautiful antique Mashad rugs on the market, Circa 1940 in excellent condition, 100% kork wool pile rug on cotton foundation. Rug size 12×18.9.