Ivan WINBERG (? - 1798 - Saint Petersburg, 1851) Portrait of Tsar Nicholas I of Russia (1796-1855) in uniform with the blue cordon of the Imperial Order of Saint Andrew and numerous decorations Watercolour and gum arabic on ivory, oval form Signed 'Winberg' centre right CIC n° 2024/BE01328/CE Gold frame Portrait of tsar Nicolas Ier of Russia (1796-1855), watercolour and gum arabic on ivory, signed, by I. Winberg 1.85 x 1.33 in. 4.7 x 3.4 cm Provenance: Anonymous sale; Paris, Chayette Cheval, 28 January 2011, no. 41 (sold for €4,000) ; Galerie Au Vieux Paris, Paris, 2011; Acquired from the latter on 4 March 2011 (for €7,500); Pierre Jourdan-Barry Collection (1926-2016); Then by descent; Private collection, Belgium Ivan WINBERG (? - 1798 - Saint Petersburg, 1851) 4.7 x 3.4 cm