I beleieve this may be a Klagetoh rug, which is similar to a Ganado rug. The background, however, is grey. The center design is usually an elongated diamond with black, white, and red colors. Natural wool colors are used, except the red and the black may have some commercial dye. With this rug, the grey can be brownish or even tan, depending upon the fleece of the sheep used.
Also, the rug is very heavy. The wool is a very heavy thick beautiful feel.The item "Vintage Navajo Wool Blanket Rug Native American Indian Textile Antique 62x52" is in sale since Thursday, November 18, 2021. This item is in the category "Collectibles\Cultures & Ethnicities\Native American\ US\1800-1934\Rugs & Textiles (Navajo)". The seller is "rigbytpaws" and is located in Bethesda, Maryland. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Chile, Colombia, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Jamaica, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Pakistan, Paraguay, Reunion, Uruguay.