Old Costa Rican Sign Language

Old Costa Rican Sign Language is a deaf-community sign language of San Jose, spoken by people born before about 1945. Along with American Sign Language, it is one of the sources of New Costa Rican Sign Language.^[2]

Old Costa Rican Sign Language
Native to	Costa Rica
Region	metro San Jose
Native speakers	perhaps 100 (1991)[1]
Language family	deaf-community sign language
Language codes
ISO 639-3	None (mis)
Linguist List	1a4
Glottolog	orig1234
ELP	Original Costa Rican Sign Language