As a form of currency, these coins proved to be impractical: platinum resembles many less expensive metals, and, unlike the more malleable and ductile silver and gold, it is very difficult to work.
Several commemorative coin sets have been issued starting from 1978 and became popular among coin collectors.
For this reason, the coin is specifically marked as "3 rubles per silver" (Russian: ).
The same reasoning applied to the 6- and 12-ruble coins. It was not free from such noble metals as iridium and palladium, and thus the accompanying phrase "pure Ural platinum" (Russian: The minting was discontinued on 22 June 1845 because of the concerns about possible financial imbalance due to the declining price of platinum; within the next 6 months, platinum coins were withdrawn from circulation.
Coins minted using dies from two different coins are called mules.
The coin bears the year of 1825, but was likely printed at a later date.
Following the discovery of platinum in gold rocks, the Spaniards were unable to use it for a long time because they had no technology for processing this metal.
George III had died in 1820 and had been succeeded by his son (George IV) whose farthing reverse design is shown (right).After the discovery that platinum alloys with gold, counterfeiters began to add it to gold coins.The platinum confiscated from counterfeiters was then thrown into the sea, in accordance with the royal decree of 1735. Platinum has an international currency symbol under ISO 4217 of XPT.The issues of legitimate platinum coins were initiated by Spain in Spanish-colonized America in the 18th century and continued by the Russian Empire in the 19th century.