A potter by examples of Latgalian pottery at the House – Museum of Polikarps Čerņavskis near Preili, Latvia. A potter by examples of Latgalian pottery at the House – Museum of Polikarps Čerņavskis near Preili, Latvia.A potter by examples of Latgalian pottery at the House – Museum of Polikarps Čerņavskis near Preili, Latvia.