Bidspirit auction | Unidentified artist late 19th century,

Unidentified artist late 19th century, - Unidentified artist late 19th century, Still life with old books and violin, oil on canvas, monogrammed ”NP” lower left, indistinctly inscribed ”Cetl Fr.” lower right (?), 50 x 40 cm, framed 70 x 60 cm