USSR coin «The 125th anniversary of the birth of the Russian physicist P. N. Lebedev» 1 rub., 1991, copper-nickel alloy

125-річчя з дня народження російського фізика П. Н. Лебедєва

copper-nickel alloy
Coin obverse «The 125th anniversary of the birth of the Russian physicist P. N. Lebedev» 1 rub. 1991, copper-nickel alloy
Obverse: on top of the coat of arms of the USSR with 15 turns of tape underneath the letters "USSR", the symbol below if the coin denomination, the number "1" and below the word "RUBLE", the bottom edge year of issue "1991".
Coin reverse «The 125th anniversary of the birth of the Russian physicist P. N. Lebedev» 1 rub. 1991, copper-nickel alloy
Reverse: in the left part of the coin side image PN. Lebedev. To the right of it in two lines dates "1866" and "1912", indicating the years of the life of a scientist. Under the date of the physical formula of light pressure. In the lower part

Edge: two pressed the inscription "ONE RUBLE", between them the two pressed square pixels.

Release date
Denomination
1 rub.
Metal
copper-nickel alloy
Weight
12.8 g
Diameter
31 mm
Mintage
2 850 000 pcs.
Mint quality
Proof
ArtistА.А. Колодкин
SculptorА.А. Новичков