A decorative intaglio made of rock crystal with an engraved image of the Borovitskaya Tower

Decorative intaglio made of rock crystal with an engraved image of the Borovitskaya Tower of the Moscow Kremlin. USSR, 1930s–1940s.
Material – druse of rock crystal.
Technical execution – faceting, grinding, polishing, carving.
The intaglio belonged to the famous Leningrad composer and philocartist Nikolai Spiridonovich Tagrin (December 6, 1907, Petersburg — May 19, 1981, Leningrad), as evidenced by the engraving dated 1971.
Dimensions:
Height – 9.5 cm.
Length of the lower edge – 9 cm.
Length of the transverse edge – 13.5 cm.
Depth – 3.5 cm.
The item has an elegant faceting.
In excellent collectible condition.
The item possesses artistic and collectible value. A wonderful gift for lovers of Soviet vintage items!