Knot count: A rug’s knot count refers to the quantity of knots per square inch. The upper the knot depend, the for a longer period it took to weave, which typically indicates a greater price tag. The antique Navajo rugs are those which are weaved prior to the 1950s. https://heliskidirectory.com/listings12564369/about-why-are-turkish-rugs-so-expensive