Imperial Russian three-piece silver set for tea and coffee

Imperial Russian three-piece silver set for tea and coffee Various workmasters including Johan Ferdinand Olsonius (Grachev Brothers), St. Petersburg, circa 1872-1879 Silver tea pot – Assay’s mark ‘84 ИЕ 1876', maker's mark 'DH’, 15cm x 21 x 11cm Silver coffee pot – Russian silver hallmark ’84’, assay’s mark ‘ИЕ 1872', hallmark of St Petersburg, Johann Heinoin maker's mark 'JH’, 18.1 x 22 x 11 cm Sugar bowl, assay’s mark ’84 ИЕ 1879’, Johan Ferdinand Olsonius maker’s mark ‘JO’, who was a workmaster for Grachev Brothers, 13 x 18 x 11 cm