This fine study of grapes was executed in the first half of 19th century as oil on paper and due to the close similarities was attributed to Hungarian genre, portrait and still life painter Adalbert Schäffer, also Béla Schäffer ( 1815 in Groß-Karol, Kingdom of Hungary - 1871 in Düsseldorf). Full artist‘s biography and images see under : https://de.wikipedia.org/wiki/Adalbert_Schäffer.
Literature: " Allgemeines Lexikon der bildenden Künstler" by Thieme/Becker, Leipzig, 1999; Pavière, Flower III.1; 1964; Magy Fest Adat, 1988.
Inscription: signed "SCHAEFFER" lower right.
Technique: Oil on paper, later laid down on canvas. Original period gold frame.
Measurements: unframed w 12 2/3" x h 18 1/8" (32 x 46 cm), framed w 17 3/4" x h 23 1/3" (45 x 59,5 cm).
Condition: in very good condition.