Qahveh Khaneh Sign Language

Qahveh Khaneh Sign Language, literally Coffee House Sign Language, is a deaf sign language of a few elderly members of the deaf community in Tehran. It has been in use since 1900 or earlier. It is unknown if it is related to Iranian Sign Language; it is possible that it descends from an ancestral form of Iranian Sign Language, dating to before that language was standardized.^[1]

Qahveh Khaneh Sign Language
Native to	Iran
Region	Tehran
Native speakers	(moribund)
Language family	deaf-community sign language
Language codes
ISO 639-3	None (mis)
Glottolog	qahv1234