How can you tell if a kilim rug is real?

How does one accurately determine the authenticity of a kilim rug? Are there any specific features or characteristics that should be looked for to distinguish a genuine piece from a forgery? Are there any common misconceptions or pitfalls to avoid when assessing the authenticity of a kilim rug? Furthermore, what role does the history and provenance of the rug play in determining its authenticity, and what methods can be employed to verify these details?