National Coat of Arms of the Russian Federation, РОССИЙСКАЯ ФЕДЕРАЦИЯ ("RUSSIAN FEDERATION") framed on both sides by doubled rhombuses, below under the coat of arms there are indications of the precious metal and its fineness on the left and the fine metal content and the mint trade mark on the right, at the bottom in the centre, in three lines, there is an inscription ‘БАНК РОССИИ’ (BANK OF RUSSIA), the denomination of the coin ‘50 РУБЛЕЙ’ (50 RUBLES), and the year of issue ‘2021 г.’
Description reverse
Depiction of the Dmitrievskaya Tower of the Nizhny Novgorod Kremlin. НИЖНИЙ НОВГОРОД ("NIZHNY NOVGOROD"), 800 ЛЕТ ("800 YEARS")
Reference
Russian Federation. 50 Rubles (Gold) 2021, Saint Petersburg Mint – Branch of Goznak. CoCo RU-2021-0017.