Johann Friedrich Reiffenstein
Johann Friedrich Reiffenstein(22 November 1719, Ragnit, then in East Prussia – 6 October 1793, Rome) was a German cicerone for grand tourists, painter, antiquarian and agent for art collectors in Rome.
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Wikipedia
Johann Friedrich Reiffenstein(22 November 1719, Ragnit, then in East Prussia – 6 October 1793, Rome) was a German cicerone for grand tourists, painter, antiquarian and agent for art collectors in Rome.