An early 20th century scent bottle

An early 20th century scent bottle, the rock crystal bottle of oval form with gold mounts, the hinged cover centred with an oval-shaped chrysoberyl within a surround of cushion-shaped diamonds and engraved to the interior 'Vogt St Petersburg', cabochon ruby thumbpiece, two obscure marks to the cover (probably Russian), scratched inventory number 2591, 6.7cm high, fitted case by Wartski