The Malmerspach collection was one of the two "Reserve collections" from Schlumpf. It returned to the Schlumpf family in 1999 and after the death of Arlette Schlumpf-Naas (2008), it was sold. Currently
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The Fate of the Sleeping Beauties (Classic Reprint): Weegh, Arnoud op de, Hottendorff, Kay: 9781787113336: Amazon.com: Books
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The Fate of the Sleeping Beauties (Classic Reprint): Weegh, Arnoud op de, Hottendorff, Kay: 9781787113336: Amazon.com: Books
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Die Automobile der Gebrüder Schlumpf. Eine Dokumentation : Halwart Schrader, Wolfgang Drehsen, Werner Haas: Amazon.de: Books
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The Fate of the Sleeping Beauties (Classic Reprint): Weegh, Arnoud op de, Hottendorff, Kay: 9781787113336: Amazon.com: Books
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