Emil Schumacher "GAGAOLA" Signed and dated lower right: Schumacher 63 1963 Oil on panel 86 x 188 cm Arcandor AG (formerly Karstadt AG), Essen (1969 acquired directly from the artist) VII Biennial São Paulo, 1963 / Emil Schumacher. Arbeiten 1960?1971. Karlsruhe, Badischer Kunstverein, 1972, cat. no. 31 The work is recorded in the archive of the Emil Schumacher Stiftung, Hagen, as number 0/4.092 On the reverse a label of the biennial Sao Paulo 1963 and of Badischer Kunstverein, Karlsruhe (see below) 86 x 188 cm