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Osswald, Fritz (1878 Zurich - 1966 Starnberg, impressionist landscape painter, especially of winter motifs, member of the Munich Secession, appointed member of the Darmstadt artists' colony in 1913),
"Reismühle bei Gauting", oil on wood, is signed lower right Fritz Osswald.
On the back 'Reismühle bei Gauting'. This is the birthplace of Charlemagne, Emperor of the Holy Roman Empire.
It is well framed and in good condition. A similar painting was sold on
https://www.invaluable.com/auction-lot/fritz-osswald-1878-zuerich-1966-starnberg-237-c-fba6f5e2f4