Keywords: Ivan Alexandrovich Osterman.PNG Ivan Ostermann 1725-1811 ru Г аф Иван Анд еевич Осте ман century 18 oil Institution http //ostermanniana ru/galery/ivan/mainF html s4 other versions PD-old-100 18th-century unidentified painters 1780c 18th-century portrait paintings location missing 1780c Ivan Osterman 1780c 18th-century portrait paintings not categorised by year Male 18th-century oil portraits of men at bust length 1780 Male portrait paintings with powdered wigs 1780 Males with red coats in art Order of St Anna in portrait paintings 1780 Portrait paintings with neutral background 1780 Sash of the Order of St Andrew in portrait paintings 1780 Sash of the Order of St Vladimir in portrait paintings 1780 Star of the Order of St Vladimir in portrait paintings |