Gus Crystal is a Russian crystal manufacturer and is the oldest surviving manufacturer of Russian crystal. It was founded in 1756 on the Gus River. The company gave its name to the town of Gus-Khrustalny and its district. Reference: Wikipedia
Below are some examples and price guides of cameo glass items by Gus Crystal Works including an Imperial vase and an example of their maker’s mark.
Gus Crystal Works Maker’s Mark
A LARGE CAMEO GLASS VASE
BY THE GUS CRYSTAL WORKS, MOSCOW REGION, LATE 19TH / EARLY 20TH CENTURY
Of tapering cylindrical form, with a flared lip, the body cut with tulips in shades of mauve against a yellow and green ground, signed in cameo in Cyrillic ‘yu.s.N.M.N-k Gus-Krust’ (Yuri Stepanovich Nechayev-Maltsov, heir of Gus Khrustalniy)
18 in. (45.7 cm.) high
Sold for GBP 18,750 at Christie’s in 2021
Yury Nechaev Maltsov for Gus Crystal Works, Moscow, an Imperial Russian cameo glass vase, circa 1900, splayed trumpet form, the brown pate de verre body carved with a lakeside scene, signed in Cyrillic ‘yu.s N.M. m.k Gus-Krust’ (Yuri Stepanovich Nechayev-Maltsov, heir of Gus’Khrustal’nyy), 15cm high
Sold for £4,000 at Kinghams Auctioneers in 2020