1 Ruble Mathematician N.I. Lobachevsky

1 Ruble (Mathematician N.I. Lobachevsky) -  obverse1 Ruble (Mathematician N.I. Lobachevsky) -  reverse

© tolnomur

Features

Issuer Russia
Period Russian Federation (1991-date)
Type Non-circulating coin
Year 1992
Value 1 Ruble (1 RUR)
Currency Ruble (1991-1997)
Composition Copper-nickel
Weight 12.80 g
Diameter 31.00 mm
Thickness 2.30 mm
Shape Round
Technique Milled
Orientation Medal alignment ↑↑
Demonetized Yes
Number N# 14589
Numista type number (https://numista.com)
References Y# 321,
Richard S. Yeoman, Arthur L. Friedberg; 2007. A Catalog of Modern World Coins : 1850-1964 (14th edition). Whitman Publishing Company, Atlanta, USA.
And 1 more volumes.
CBR# 5009-0005,
Central Bank of Russia (https://www.cbr.ru/eng/cash_circulation/memorable_coins/coins_base/)
Schön# 270
Gerhard Schön; 2018. Weltmünzkatalog / 20. Jahrhundert: 1901-2000 (46. Auflage). Battenberg Gietl Verlag, Regenstauf, Germany.
And 2 more volumes.

Commemorative issue

The 200th Anniversary of the Birthday

Obverse

In the center of the disc, in the circle of dots - the Emblem of the Bank of Russia (two-headed eagle with wings down), under it to the right - the mint trade mark, along the rim – semicircular inscriptions divided by two fragments of ornament, on top – the denomination and year of issue: "ОДИН РУБЛЬ 1992" (ONE RUBLE 1992), at the bottom: "БАНК РОССИИ" (BANK OF RUSSIA).

Script: Cyrillic

Lettering:
ОДИН РУБЛЬ 1992г.
ММД
БАНК РОССИИ

Translation:
ONE RUBLE 1992
MMD
BANK OF RUSSIA

Engravers: A.A. Kolodkin, A.V. Grankin, A.A. Novichkov

Reverse

In the centre of the disc – the relief portrait of N.I. Lobachevsky with arms folded on the chest, along the rim – semicircular inscriptions, to the left: "Н. И. ЛОБАЧЕВСКИЙ" (N. I. LOBACHEVSKY), to the right - dates: "1792-1856".

Script: Cyrillic

Lettering: Н. И. ЛОБАЧЕВСКИЙ 1792-1856

Translation: N. I. LOBACHEVSKY 1792-1856

Engravers: A.A. Kolodkin, A.V. Grankin, A.A. Novichkov

Edge

Two inscriptions "ОДИН РУБЛЬ" (ONE RUBLE) divided by two dots.

Lettering: ОДИН РУБЛЬ • ОДИН РУБЛЬ •

Translation: ONE RUBLE • ONE RUBLE •

Comments

Nikolai Ivanovich Lobachevsky (1792-1856), a Russian mathematician, is known as the creator of non-Euclidean geometry. From 1827 to 1846 he used to be the Chancellor of the Kazan University. Lobachevsky's discovery of 1826 (published in 1829-1830), ignored by his contemporaries, was a breakthrough in the understanding of the nature of space, which for more than 2000 years had been based on Euclid's assumptions, and had a tremendous impact on the development of mathematical thinking. Lobachevsky wrote works on algebra, mathematical analysis, the probability theory, mechanics, physics and astronomy.

Date of issue: 01.12.1992

See also

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Date Mintage VG F VF XF AU UNC Frequency
1992 ММД 600 000 $ 6.46 65% BU; Moscow Mint
1992 ММД 400 000 $ 4.94 38% Proof; Moscow Mint

Values in the table above are expressed in USD. They are based on evaluations by Numista users and sales realized on Internet platforms. They serve as an indication only; they are not intended to be relied upon for buying, selling or exchanging. Numista does not buy or sell coins or banknotes.

Frequencies show the percentage of Numista users who own each year or variety among all the users who own this coin. Since some users own several versions, the sum may be greater than 100%.

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