(1) a detailed introduction of the Russian ruble.
The Bank of Russia issued 3 rubles to commemorate the silver coin "Ad astra". Konstantin Tsiolkovsky of "Cosmos" series (catalog number 511-0448). The refined silver coin (refined metal content 3 1. 1g, fineness 925/ 1 0,000) is round, with a diameter of 39.0 mm. The front and back of the coin have embossed edges along the circumference. Issue year' 202 1 г'(202 1), chemical symbols and fineness of metals in Mendeleev's periodic table, trademark of St. Petersburg Mint and content of fine metals. On the front of the coin is the embossed image and inscription of the national emblem of the Russian Federation. The currency symbol of the Russian ruble determined by the Russian Central Bank in February 2011year is similar to a capital letter P, but there is a horizontal line below the P. This currency symbol was voted by 280,000 Russians with a support rate of 6 1%. On the same day, the website of the Russian central bank released a message saying that the central bank approved the currency symbol "_" used to represent the ruble, which was similar in shape to the capital Cyrillic letter р, but a horizontal line was added at the bottom of р, so that an "=" was formed in the middle of the letter P. These two parallel lines symbolize the stable position of the ruble, but at the end of 20 14, the ruble has depreciated sharply.
② How many denominations of Russian coins are there?
The face value of 196 1 version is 1, 2,3,5, 10, 1 5,20,50 kopecks,1ruble. A * * * has eight denominations. 199 1 After the disintegration of the Soviet Union, coins of the CIS period were issued with face values of 10, 50 kopecks, 1 5 and 10 rubles respectively. 1992- 1993 issued a currency coin named Russia with a face value of 1 5, 10, 20, 50, 100 rubles. Coins in circulation were issued after 1997, with face values of 1 ruble, 2 rubles, 5 rubles, 1, 5, 10 and 50 kopecks. The monetary unit in Russia is called: ruble, which is equivalent to: yuan in China. Of course, there are also small denominations called Gaby, which is equivalent to China's minute, and its conversion unit is 100 Gaby = 1 ruble.