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Schaufenster
signed and dated "Palermo 67" lower left of the first side; further titled "Schaufenster" lower right of the first side; further signed, titled, inscribed and dated "Palermo Düsseldorf 1967 Schaufenster"" lower left of the second side
watercolor on paper, double-sided
12 5/8 x 9 1/4 in. (32.1 x 23.5 cm.)
Executed in 1967.