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| Ohne Titel (Polkes Peitsche) ('Untitled (Polke's Whip)'), 1964-68 |
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| Socks, 1963 |
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| Handschuhpalme ('Glove Palm Tree') |
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| Zollstockpalme ('Measuring Stick Palm Tree') from Palmenserie ('The Palm Tree Series') |
These works were part of Sigmar Polke's ALIBIS retrospective @ Museum Ludwig, Cologne.