Old Costa Rican Sign Language
| Old Costa Rican Sign Language | |
|---|---|
| Native to | Costa Rica |
| Region | metro San Jose |
Native speakers | perhaps 100 (1991) |
| Language codes | |
| ISO 639-3 | None (mis) |
1a4 | |
| Glottolog | orig1234 |
| ELP | Original 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.