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Pieter Frans Christiaan Koch (July 15, 1901 – October 27, 1991) was a Dutch artist who painted in a magic realist style.
He was born in Beek. He exhibited in the 25th Venice Biennale in 1950. His work was shown in a retrospective exhibition at the Gemeentemuseum, Arnhem in 1966, and in a solo exhibition at the Stedelijk Museum, Amsterdam in 1972. He died in Wassenaar in 1991.