Keywords: Anton Perko - Alter Palast in der Ombla bei Gravosa.jpg Artwork Creator Anton Perko by 1905 watercolor paper cm 23 5 36 5 http //www dorotheum com/en/auctions/auction-dates/current-auctions/kataloge/list-lots-detail/lotID/80/lot/1676358-anton-perko html PD-old-100 Anton Perko 19th-century watercolor paintings 19th-century landscape paintings |