Nicholas I. Opening of Pulkovo Observatory 1839.
Bronze commemorative medal. Unsigned. 65 mm. 152,4 gr. R0. UNC. With the original box of issue. Diakov 548.1.
Obverse with a portrait of Nicholas I, signed the engraver H. GUBE FECIT (made by H. Gube). Heinrich Gube (1805-1848) started his career as a medallist in Berlin in 1820. From 1830 onwards, he worked in St. Petersburg.
Along the edge the inscription Б . М . НИКОЛАЙ I ИМПЕРАТОРЪ И САМОДЕРЖЕЦЪ ВСЕРОСС .
Reverse with a view of Pulkovo observatory, surrounded by the twelve signs of the zodiac.
Above the building the inscription 1839 ГОДА (the year 1839) and in exergue:
ПОВЕЛѢНІЕМЪ
ИМПЕРАТОРА НИКОЛАЯ І .
(by de order of Emperor Nicholas I)
Lit: Diakov4, 101.