Kokand tenga
The tenga was the currency of Kokand until 1876. Silver tenga circulated with copper pul and gold tilla. There was no fixed relationship between the three denominations. The Russian ruble replaced the Pul, Tenga and Tilla.
References
- Krause, Chester L.; Clifford Mishler (1991). Standard Catalog of World Coins: 1801–1991 (18th ed.). Krause Publications. ISBN 0873411501.