On August 30, 1769, the Speiss family sold the mill to Peter Johann Jacob Heinrich Andrae from Osterode for 4500 Reichsthaler.
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Hahnemühle FineArt, Inc. is a paper manufacturing company in the Relliehausen district of Dassel, Germany.
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The company traces its origins to the construction of a paper mill by Merton Speiss on February 27, 1584 in Relliehausen at the source of a river in the Solling (a range of hills).