The oldest Persian carpet is called "PAZIRIK".it was found in the frozen tomb of a Sakai ruler in ther Pazirik valley in Siberia, 80 kilometers from outer Mongolia.
This carpet, which was used as a horse covering, has 36 knots per square centimeter. The colors used are burgundy red, yellow, light green and orange.
Based on original drawings from the Achaemenian dynasty, it is believed to have been handwoven by ancient Medes or Parthians from Khorasan.
The original Pazirik carpet is kept in Hermitage museum in St Petersburg.