A rare gold-mounted enamel snuff-box Pierre Theremin, St. Petersburg, 1795-1799, with Cyrillic mark 'AZ for unidentified essayer circular; lid, base and side enamelled in translucent royal blue over a guilloché reeded and sun-burst ground, the cover centred by an allegorical scene within finely chased gold border of laurel leaves, outline of the lid with chased gold border of palm leaves within narrow bands of white and dark blue, side of the lid decorated with chased geometric lines intertwined with emerald-green leafy garland in champlevé enamel; marked on interior of the base and lid diameter: 8.5cm (3 1/4in). This lot is subject to the following lot symbols: * * VAT on imported items at a preferential rate of 5% on Hammer Price and the prevailing rate on Buyer's Premium. For further information on this lot please visit Bonhams.com