This is a original oil on canvas by Dutch artist Hein Tirolf. Untitled impressionist Landscape done with impasto technique executed circa 1964 and signed lower left by the artist. The canvas measures 20 by 16 inches and framed measures 31 by 26 inches. Hein Tirolf was born in Amsterdam in 1933. His father was a well known portrait artist and classic Dutch landscape painter. He studied at Basil in Switzerland and has been exhibited at shows in Paris and Amsterdam.