Signed Pieter William Frederick Wenning oil on board painting depicting an Impressionist landscape with a farm house. Signed and dated 17, on the lower right. Signed in an old wooden frame. Pieter William Frederick Wenning, 1873 to 1921, was a South African painter and etcher, considered to be the progenitor of the style of Cape Impressionism. One of a kind artwork. Impressionist Paintings, Antiques, Wall Decor Collectibles.