Paul Signac ( 1863 - 1935 ) was a French Post-Impressionism, Pointillism, Divisionism, and Neo-impressionism painter who, working with Georges Seurat, helped develop the Pointillist style.. Paul Signac s works have been put up for auction numerous times, with realized prices greatly surpassing estimated prices, varying from 2319.62 USD for Pêcheurs au port d´Andierne (incl. copies of postcard