Imperial Público Deposited
A Russian gold coin, first struck under Elizabeth in 1745, of the value of ten Rubles. Since 1817 only half Imperials are coined but they retain the name of Imperial. These are worth five Rubles in gold or five Rubles and 15 Ko- pecks in silver.
- Frey's Dictionary (American Journal of Numismatics, Vol. 50, 1916)