Chronology of the collection

James Coignard, Danses guerrières, ca. 1980; bought at the Galerie Hervieu, Saint-Paul-de-Vence and Nice by Jürg Im Obersteg.

Marianne von Werefkin,Gens qui passent,um 1910; bought at the Galerie Bargera, Köln, by Jürg Im Obersteg

James Coignard, Les bâtisses inconnues, ca. 1982; bought at the Galerie Hervieu, Saint-Paul-de-Vence and Nice by Jürg Im Obersteg.

Jürg Im Obersteg died on 6 June 1983 in Basel.

Antonina Sofronowa, Komposition (gelb), 1920 and Komposition (rot), 1920; bought at the Galerie Gmurzynska by Doris Im Obersteg-Lerch.

Gabriele Münter, Burg Lauenstein, 1926/27; bought at the Galerie Orangerie-Reinz, Cologne by Doris Im Obersteg-Lerch.

Marianne von Werefkin Witwe auf der Bank, 1907; bought at the Galerie Liatowitsch, Basel by Doris Im Obersteg-Lerch.

Kurt Schwitters, Blue and Blue, 1947; bought at the Galerie Gmurzynska, Cologne by Doris Im Obersteg-Lerch.