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Andy Warhol and Walter Maurer
Walter Maurer
César Manrique and Walter Maurer
Ernst Fuchs and Walter Maurer
Walter Maurer
Frank Stella and Walter Maurer
Frank Stella and Walter Maurer
Andy Warhol and Walter Maurer
Ernst Fuchs and Walter Maurer
King Gustav of Sweden and Walter Maurer
Prince Leopold of Bavaria and Walter Maurer